Engine Internals
Page 1 of 79 — 7,535 parts.
- Porsche AG🇩🇪
Additively manufactured pistons for the 911 GT2 RS
Laser powder bed fusion pistons developed by Porsche with MAHLE and TRUMPF, roughly ten percent lighter than the forged series piston and carrying a closed cooling duct that conventional casting cannot produce.
3D printedEngine Internals991Proprietary high-strength aluminum alloy - Rothsport Racing🇺🇸
Crankshaft Pulley, 911 (993, 1995–98)
Replacement crankshaft pulley from an air-cooled specialist that manufactures its own parts.
Engine Internals9936061-T6 Aluminium - Rothsport Racing🇺🇸
Billet Aluminium Fan Hub, 911 (964 / 993)
CNC billet fan hub converting the two-belt drive to the single-belt arrangement used on the factory RS cars.
Engine Internals9939646061-T6 Aluminium - Patrick Motorsports🇺🇸
High Performance Valve Spring and Titanium Retainer Set, 911 (993)
Uprated springs with titanium retainers — the cheapest meaningful titanium on an air-cooled engine, and the part that lets it rev.
Engine Internals993Titanium (grade not disclosed)Chromoly Steel - Patrick Motorsports🇺🇸
Billet Aluminium Valve Covers, 911 (993)
Machined valve covers replacing the cast originals, which warp and leak with age.
Engine Internals9936061-T6 Aluminium - Pelican Parts🇺🇸
Engine Component Range, 911 (964 / 993)
Specialist retailer's air-cooled engine component range.
Engine Internals993964 - Porsche Classic🇩🇪
Magnesium Crankcase, early 911 (F and G Series, 1968–1976)
Porsche Classic reissued the magnesium crankcase in 2023 for 2.0, 2.2, 2.4 and 2.7 litre engines — ending decades of welding cracks or hunting secondhand cases.
Engine Internals901g-seriesMagnesium Alloy - LN Engineering🇺🇸
Genuine Porsche Magnesium Crankcase Housing
The reissued cases through a US distributor, alongside the aluminium blocks for later engines.
Engine Internals901g-seriesMagnesium Alloy - LN Engineering🇺🇸
Nickies Billet Aluminium Cylinders, air-cooled 911
CNC billet aluminium cylinders with nickel silicon carbide bore plating, replacing the original cast iron or Alusil barrels across the whole air-cooled range.
Engine Internals901g-series9649936061-T6 AluminiumNickel Silicon Carbide plating - LN Engineering🇺🇸
Nickies Cylinders, 86.7 mm, 911 2.2 / 2.4
86.7 mm bore Nickies for the early two-litre-family engines.
Engine Internals9016061-T6 AluminiumNickel Silicon Carbide plating - LN Engineering🇺🇸
Nickies Cylinders, 92 mm, 911 2.7
92 mm bore for the 2.7, the engine whose magnesium case and thermal behaviour made it the classic candidate for aluminium barrels.
Engine Internals901g-series6061-T6 AluminiumNickel Silicon Carbide plating - LN Engineering🇺🇸
Nickies Cylinders, 95 mm, 911 / 930 3.0 / 3.2
95 mm bore covering the 3.0 SC and 3.2 Carrera, and the 930 Turbo.
Engine Internalsg-series6061-T6 AluminiumNickel Silicon Carbide plating - LN Engineering🇺🇸
Nickies Cylinders 95 mm with 9.5:1 JE Piston Set, 911 3.2
Matched cylinder and forged piston package at 9.5:1 — the pump-fuel compression ratio.
Engine Internalsg-series6061-T6 AluminiumNickel Silicon Carbide plating - LN Engineering🇺🇸
Nickies Cylinders, 98 mm, 911 / 930 3.2 / 3.4
98 mm big bore taking a 3.2 out to 3.4.
Engine Internalsg-series6061-T6 AluminiumNickel Silicon Carbide plating - LN Engineering🇺🇸
Nickies Cylinders 105.029 mm with 12.5:1 JE Piston Set, 911 3.6
The largest bore in the range at 105.029 mm, paired with 12.5:1 forged pistons — a race compression ratio, not a road one.
Engine Internals9649936061-T6 AluminiumNickel Silicon Carbide plating - LN Engineering🇺🇸
Knock Sensor Bosses for Nickies Cylinders, 911
Cast-in bosses letting a knock sensor be fitted to an air-cooled engine — the enabler for modern management on a big-bore build.
Engine Internals901g-series9649936061-T6 Aluminium - MAHLE GmbH🇩🇪
Mahle Motorsports Piston and Cylinder Sets, Porsche
Reintroduced Mahle sets on 2618 forged alloy pistons, matched to Nickies barrels — bringing back combinations that were no longer available.
Engine Internals901g-series964993Proprietary high-strength aluminum alloyNickel Silicon Carbide plating - LN Engineering🇺🇸
Air-Cooled Parts and Upgrades Range, 911
LN's own air-cooled 911 range, alongside distributed lines from Silverlake Projects, Turbo Kraft and Vintage Trader.
Engine Internals901g-series964993 - Pankl Racing Systems🇦🇹
Titanium Connecting Rods
Pankl's core product, and the reason its components appear in numerous Formula 1 engines.
Engine Internals993996997991Ti-6Al-4V (Grade 5) - Pankl Racing Systems🇦🇹
Motorsport Crankshafts
Crankshafts in high-strength steel, made alongside the rods so the crankdrive is developed as one assembly.
Engine Internals996997991Chromoly Steel - RUF Automobile🇩🇪
RUF Performance Components, 911
Pfaffenhausen manufacturer registered in its own right, supplying engine, chassis and body components as well as complete cars.
Engine Internalsg-series964993997991 - Schrick🇩🇪
Camshaft Set, 911 3.2 / 964
Regrind-free camshaft set quoted as raising power and torque while keeping a stable idle.
Engine Internalsg-series964Chromoly Steel - BBi Autosport🇺🇸
Air-Cooled EFI Valve Cover and Ignition Kit
Valve covers with integrated coil mounting, part of the EFI conversion.
Engine Internals9939646061-T6 Aluminium - BBi Autosport🇺🇸
Air-Cooled EFI Distributor Block-Off
Closes the distributor aperture once ignition moves to coil-per-cylinder.
Engine Internals9939646061-T6 Aluminium - Dundon Motorsports↗🇺🇸
992 Valve Set Retrofit Rev0
Dundon Motorsports engine internals listed for the 992. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internals992 - Dundon Motorsports↗🇺🇸
991 Race Valve Section Pair - 2.5" Pneumatic
Dundon Motorsports engine internals listed for the 991. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internals991 - Dundon Motorsports↗🇺🇸
991 Speedster Valve Assembly Pair - 3.0" Electronic
Dundon Motorsports engine internals listed for the 991. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internals991 - Dundon Motorsports↗🇺🇸
991 Speedster Valve Assembly Pair - 2.5" Electronic
Dundon Motorsports engine internals listed for the 991. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internals991 - Dundon Motorsports↗🇺🇸
991 Race Valve Section Pair - 2.5" Electronic
Dundon Motorsports engine internals listed for the 991. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internals991 - Dundon Motorsports↗🇺🇸
991 Race Valve Section Pair - 3.0" Electronic
Dundon Motorsports engine internals listed for the 991. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internals991 - Dundon Motorsports↗🇺🇸
GiroDisc Rotor Conversion Kit - 992 GT3 with Iron Rotors
Dundon Motorsports engine internals listed for the 992. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internals992 - RennsportKC🇺🇸
Twin Distributor Belt Rebuild Service, 911 (964 / 993)
Rebuild of the twin-distributor drive, offered at $150 send-in or $275 done in house.
Engine Internals964993 - Dundon Motorsports↗🇺🇸
GiroDisc GP10 Street Pads - Porsche 991/992 GT3 & 981/718 GT4
Dundon Motorsports engine internals listed for the 992, 991. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internals992991 - Dundon Motorsports↗🇺🇸
997 GT3 Cobb AP and Dundon Pro Tune
Dundon Motorsports engine internals listed for the 997. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internals997 - Dundon Motorsports↗🇺🇸
M-Engineering 992 GT3 Tune
Dundon Motorsports engine internals listed for the 992. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internals992 - Robert Bosch↗🇩🇪
Bosch OEM Replacement Spark Plug Set (991.2 Carrera)
Robert Bosch engine internals listed for the 991. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internals991 - Robert Bosch↗🇩🇪
Bosch OEM Replacement Spark Plug Set (991.1 Carrera)
Robert Bosch engine internals listed for the 991. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internals991 - Tarett Engineering↗🇺🇸
Tarett UnderDrive Pulley Kit (997 Carrera)
Tarett Engineering engine internals listed for the 997. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internals997 - Tarett Engineering↗🇺🇸
Tarett UnderDrive Pulley Kit (996 Carrera)
Tarett Engineering engine internals listed for the 996. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internals996 - Flat 6 Motorsports↗🇺🇸
Flat 6 Motorsports - 675 HP Power Kit (992.2 Carrera)
Flat 6 Motorsports engine internals listed for the 992. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internals992 - Flat 6 Motorsports↗🇺🇸
Flat 6 Motorsports - 645 HP Power Kit (992.2 Carrera)
Flat 6 Motorsports engine internals listed for the 992. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internals992 - Flat 6 Motorsports↗🇺🇸
Flat 6 Motorsports - 600 HP Power Kit (992.2 Carrera)
Flat 6 Motorsports engine internals listed for the 992. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internals992 - Web Camshafts↗🇺🇸
NEW STOCK! Porsche 964 Euro RS Profile REGRIND Camshaft Set For Mechanical Rockers (ENG 05 441)
Web Camshafts engine internals listed for the 993, 964, g-series. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internals993964g-series - Web Camshafts↗🇺🇸
Hydraulic Groove To Mains Machining Service For New Billet 993 Hydraulic Camshafts (ENG 05 95 002)
Web Camshafts engine internals listed for the 993. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internals993 - Porsche AG↗🇩🇪
Steering Lock Assembly with Ignition Switch and Lock Cylinder For 911 (ELE 964 347 917 01)
Porsche AG engine internals listed for the 993, 964, g-series. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internals993964g-series - Web Camshafts↗🇺🇸
964 3.6L Factory Grind New Billet Camshaft Set (ENG 05 302)
Web Camshafts engine internals listed for the 964, g-series. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internals964g-series - Patrick Motorsports↗🇺🇸
NEW STOCK! O.E. Rocker Arms and Engine Valve Control Set For Porsche 911 / 914-6 / 930 / 964 / 965 (ENG 930 105 OE PMS)
Patrick Motorsports engine internals listed for the 964, g-series. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internals964g-series - Porsche AG↗🇩🇪
Camshaft Bolt For 911 930 964 993 (ENG 900 082 072 01)
Porsche AG engine internals listed for the 993, 964, g-series. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internals993964g-series - Patrick Motorsports↗🇺🇸
NEW STOCK! Porsche 911 914/6 47mm Camshaft Sync Sensor Kit For EFI Conversions MOTEC (ENG 2027 CAM ESK PMS)
Patrick Motorsports engine internals listed for the g-series. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internalsg-series - Web Camshafts↗🇺🇸
LIMITED AVAILABILITY: Porsche 911 SC / 911 Carrera 3.2L / 964 Special Performance Grind Camshaft Set Hard-Weld Regrind Variant (ENG 05 281)
Web Camshafts engine internals listed for the 964. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internals964 - Victor Reinz↗🇩🇪
964 Lower Valve Cover Gasket - Left or Right Side (GAS 964 105 135 01)
Victor Reinz engine internals listed for the 964. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internals964 - Patrick Motorsports↗🇺🇸
3.3L Engine Displacement Badge / Emblem (BOD 33L BADGE PMS)
Patrick Motorsports engine internals listed for the g-series. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internalsg-series - Web Camshafts🇺🇸
Porsche 993 Euro RS Profile New Billet Camshaft Set For Hydraulic Rockers (ENG 05 562)
Web Camshafts engine internals listed for the 993. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internals993 - Patrick Motorsports↗🇺🇸
993 Vacuum Pod For Engine Conversions In To 911 or 914 Chassis (ENG 993 110 140 03 PMS)
Patrick Motorsports engine internals listed for the 993. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internals993 - Porsche AG↗🇩🇪
911 Carrera 3.2L Engine Console Bracket (ENG 930 115 017 02)
Porsche AG engine internals listed for the g-series. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internalsg-series - Patrick Motorsports↗🇺🇸
3.0L Engine Displacement Badge / Emblem (BOD 30L BADGE PMS)
Patrick Motorsports engine internals listed for the g-series. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internalsg-series - Web Camshafts↗🇺🇸
Large Displacement Race Profile New Billet Camshaft Set GRIND # 171e / 149i For Porsche 911 / 964 Engines (ENG 05 312)
Web Camshafts engine internals listed for the 964. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internals964 - Patrick Motorsports↗🇺🇸
911 Carrera 930 964 Standard Engine Connecting Rod Bearing Set With Calico CT1 Coating (ENG 930 103 147 15 CT1 / 930 103 147 00 CT1)
Patrick Motorsports engine internals listed for the 964, g-series. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internals964g-series - Patrick Motorsports↗🇺🇸
Crankshaft Reference Sensor Support Bracket For G50 / 930 / 915 / 901 / 914 EFI Conversions (ENG 964 101 187 PMS)
Patrick Motorsports engine internals listed for the 964, g-series. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internals964g-series - Patrick Motorsports🇺🇸
993 GT3 RSR Serpentine Pulley Conversion Kit (ENG 993 106 151 80 RSR PMS)
Patrick Motorsports engine internals listed for the 993. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internals993 - Patrick Motorsports↗🇺🇸
964 GT3 RSR Serpentine Pulley Conversion Kit (ENG 964 106 151 80 RSR PMS)
Patrick Motorsports engine internals listed for the 964. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internals964 - Patrick Motorsports↗🇺🇸
NEW STOCK! Porsche 911 / 930 / 964 / 993 49mm Camshaft Sync Sensor Kit For EFI Conversions MOTEC (ENG 3036 CAM ESK PMS)
Patrick Motorsports engine internals listed for the 993, 964, g-series. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internals993964g-series - Patrick Motorsports↗🇺🇸
3.0L to 3.6L Engine Case Oil Galley Plug Kit For 911 / 930 / 914 / 964 / 965 / 993 (ENG 911 101 180 00 PMS)
Patrick Motorsports engine internals listed for the 993, 964, g-series. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internals993964g-series - Patrick Motorsports↗🇺🇸
Billet Aluminum Upper Valve Cover Set For Porsche 964 3.6L (ENG 964 105 115 03 PMS)
Patrick Motorsports engine internals listed for the 964. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internals964Aluminium (alloy not disclosed) - Patrick Motorsports↗🇺🇸
964 3.6L Billet Aluminum Lower Valve Cover Set (ENG 964 105 116 03 PMS)
Patrick Motorsports engine internals listed for the 964. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internals964Aluminium (alloy not disclosed) - Patrick Motorsports↗🇺🇸
3.5L Engine Displacement Badge / Emblem (BOD 35L BADGE PMS)
Patrick Motorsports engine internals listed for the 993, 964. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internals993964 - Robert Bosch↗🇩🇪
Crankshaft Pulse Sender / Reference Sensor (ELE 996 606 105 00)
Robert Bosch engine internals listed for the 997, 996, 993, 964. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internals997996993964 - Patrick Motorsports↗🇺🇸
2.8L Engine Displacement Badge / Emblem (BOD 28L BADGE PMS)
Patrick Motorsports engine internals listed for the 993, 964. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internals993964 - Patrick Motorsports↗🇺🇸
4.0L Engine Displacement Badge / Emblem (BOD 40L BADGE PMS)
Patrick Motorsports engine internals listed for the 997, 996, 993, 964. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internals997996993964 - Patrick Motorsports↗🇺🇸
NEW STOCK! Porsche 993 Engine Oil Union Adapter (Feed) For 3.6L Engines - Filter Console (OIL 964 207 317 00 PMS)
Patrick Motorsports engine internals listed for the 993, 964. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internals993964 - Porsche AG↗🇩🇪
Engine idle Control Valve - Fuel Injection - 964 / 944 (ENG 964 606 160 00)
Porsche AG engine internals listed for the 964. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internals964 - Porsche AG↗🇩🇪
Engine Oil Magnetic Drain Plug (HAR 944 107 197 11)
Porsche AG engine internals listed for the 997, 996, 993, 964. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internals997996993964 - Victor Reinz↗🇩🇪
Crankshaft Seal Front Boxster - 996 (GAS 999 113 475 40)
Victor Reinz engine internals listed for the 996. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internals996 - Victor Reinz🇩🇪
993 Engine Gasket Set - Cylinder Heads (GAS 993 100 902 00)
Victor Reinz engine internals listed for the 993. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internals993 - Victor Reinz↗🇩🇪
Engine Gasket Set - Cylinder Heads (GAS 964 100 902 00)
Victor Reinz engine internals listed for the 964. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internals964 - Victor Reinz↗🇩🇪
Engine Cylinder Head Gasket Set For Porsche 911 Carrera 3.2L (GAS 930 100 907 04)
Victor Reinz engine internals listed for the g-series. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internalsg-series - Victor Reinz↗🇩🇪
911 SC 3.0L Engine Cylinder Head Gasket Set (GAS 930 100 907 03)
Victor Reinz engine internals listed for the g-series. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internalsg-series - Victor Reinz↗🇩🇪
Engine Case Gasket Set For Porsche 911 3.0L 3.2L / 930 3.3L / 964 993 3.6L (GAS 930 100 901 04)
Victor Reinz engine internals listed for the 993, 964, g-series. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internals993964g-series - Tarett Engineering🇺🇸
Billet Aluminum Valve Cover Set, 911/964/993
Tarett Engineering engine internals listed for the 993, 964. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internals993964Aluminium (alloy not disclosed) - Victor Reinz↗🇩🇪
Reinzosil gasket sealant & universal sealing compound - 70ml tube
Victor Reinz engine internals listed for the 991, 997, 996, 993, 964. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internals991997996993964 - Victor Reinz↗🇩🇪
986 987 Boxster, Cayman, 996 & 997 Crank Rear Main Seal
Victor Reinz engine internals listed for the 997, 996. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internals997996 - Robert Bosch↗🇩🇪
Boxster 986, 987, 996, 997 (all models) alternator voltage regulator
Robert Bosch engine internals listed for the 997, 996. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internals997996 - Robert Bosch↗🇩🇪
996 (3.6L) & 987 Boxster (3.2L) spark plug
Robert Bosch engine internals listed for the 997, 996. Specification below is what the seller states; construction is not disclosed on the listing.
Engine Internals997996 - Swindon Powertrain🇬🇧
24-Valve Cylinder Head Kit, M64 (964 / 993)
Retrofit four-valve heads for the M64, with titanium valves and a valvetrain engineered to 12,000 rpm — and 3.5 kg lighter than the parts it replaces.
Engine Internals964993Titanium (grade not disclosed)Aluminium (alloy not disclosed) - Stuttgart Classica🇬🇧
RS Fan Hub Conversion, 911 (964 / 993)
Billet aluminium hub converting the two-belt drive to the single-belt arrangement of the factory RS.
Engine Internals9649936061-T6 Aluminium - Stuttgart Classica🇬🇧
Titanium Engine Fastener Range
Titanium case studs and nuts, case through-bolts, exhaust studs, heat exchanger fitting kit and intake manifold stud kit.
Engine Internals964993g-seriesTi-6Al-4V (Grade 5) - Swindon Powertrain🇬🇧
GT3+ 4.0 Crankshaft, 80.4 mm Stroke
Billet EN40B crankshaft taking the M64 to 4.0 litres, developed from the OEM GT3 4.0 crank with more rigidity for higher rpm.
Engine Internals964993EN40B nitriding steel - Swindon Powertrain🇬🇧
Titanium Connecting Rod Set, 24V 4.0
Titanium rods matched to the GT3+ 4.0 crank and 102.7 mm pistons, for maximum rpm.
Engine Internals964993Titanium (grade not disclosed) - Swindon Powertrain🇬🇧
24V Piston and Liner Set, 102.7 mm Bore
Pistons with matching Capricorn 102.7 mm cylinder barrels for the 24-valve head kit.
Engine Internals964993 - Swindon Powertrain🇬🇧
24V Piston Set, 102.7 mm Bore
Pistons alone, for builds already holding suitable 102.7 mm barrels.
Engine Internals964993 - Swindon Powertrain🇬🇧
24V Cylinder Head Stud Kit
Stud kit for the 24-valve head conversion.
Engine Internals964993 - Swindon Powertrain🇬🇧
24V OEM Power Steering Adaptor
Adaptor to retain factory power steering with the 24-valve heads fitted.
Engine Internals964993Aluminium (alloy not disclosed) - Stuttgart Classica🇬🇧
Titanium Rocker Cover Shield
Titanium heat shield over the rocker cover.
Engine Internalsg-series964993Titanium (grade not disclosed) - Stuttgart Classica🇬🇧
Titanium RSR-Style Spark Plug Retainers, Set of Six
RSR-pattern titanium plug lead retainers.
Engine Internalsg-series964993Titanium (grade not disclosed) - CP-Carrillo🇺🇸
Pro-H Connecting Rods, 3/8 in Bolt, 911 Turbo (997.2)
Forged steel rods with 3/8 in bolts — the usual answer to the one part of this bottom end that is not as strong as the rest.
Engine Internals9974340 Alloy Steel - Parts Klassik🇺🇸
Camshaft Follower Set, Rebuilt
Followers refaced rather than replaced.
Engine Internalsg-series