Core Engine

Scion 2AZFE - ProH625+ w/ARP Custom Age 625+ Fasteners. Made from aerospace grade, 4340 chromoly steel, BC high performance connecting rods deliver...

4340 billet. All cranks are stress relieved, shot peened, magna flux inspected and nitrided (multi step heat treatment) for ultimate performance. F...

Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, super clean, chrome silicone alloy and feature proprie...

Dual action profile that works well in both normally aspirated street and forced induction. Requires spring/retainer kit BC0340. Adv Dur 272°/27...

Intended for fully built applications and race use. Requires extensive modifications and tuning. Requires spring/retainer kit BC0340. Adv Dur 27...

2.61L - Includes 4340 billet crank, 102mm stroke, ProH2K rods (5.886 c-to-c), and custom pistons (choice of bore/compression). ACL Race bearings ...

2.61L - Includes 4340 billet crank, 102mm stroke, ProH625+ rods (5.886 c-to-c), and custom pistons (choice of bore/compression). ACL Race bearing...

Brian Crower Valves are made from premium stainless steel, fully machined and swirl polished for ultimate air flow. Dished head for added weight sa...

Brian Crower Valves are made from premium stainless steel, fully machined and swirl polished for ultimate air flow. Dished head for added weight sa...

Brian Crower Valves are made from premium stainless steel, fully machined and swirl polished for ultimate air flow. Dished head for added weight sa...

Brian Crower Valves are made from premium stainless steel, fully machined and swirl polished for ultimate air flow. Dished head for added weight sa...

Honda F20C ('00-'03) - ProH2K (formerly Sportsman) w/ARP2000 Fasteners. Made from aerospace grade, 4340 Chromoly steel, BC high performance connec...

BC steel retainers are CNC machined from hardened 4140 round bar chromoly steel to exacting tolerances. BC recommends using steel retainers for all...

BC steel retainers are CNC machined from hardened 4140 round bar chromoly steel to exacting tolerances. BC recommends using steel retainers for all...

BC steel retainers are CNC machined from hardened 4140 round bar chromoly steel to exacting tolerances. BC recommends using steel retainers for all...

BC steel retainers are CNC machined from hardened 4140 round bar chromoly steel to exacting tolerances. BC recommends using steel retainers for all...

Subaru BRZ, Scion FR-S, Toyota GT86 - I-Beam Extreme w/ARP Custom Age 625+ Fasteners. Made from aerospace grade, 4340 chromoly steel, BC high perfo...

Subaru BRZ, Scion FR-S, Toyota GT86 - ProH625+ w/ARP Custom Age 625+ Fasteners Made from aerospace grade, 4340 chromoly steel, BC high performance ...

Subaru BRZ, Scion FR-S, Toyota GT86 I-Beam Connecting Rods w/ARP2000 Fasteners Made from aerospace grade, 4340 chromoly steel, BC high performance ...

Subaru BRZ, Scion FR-S, Toyota GT86 H-Beam Connecting Rods w/ARP2000 Fasteners Made from aerospace grade, 4340 chromoly steel, BC high performance ...

6.0mm Exhaust - Manganese Silicon Aluminum Bronze

6.0mm Intake - Manganese Silicon Aluminum Bronze

Subaru EJ Series - ProH2K (formerly Sportsman) w/ ARP2000 Fasteners. Made from aerospace grade, 4340 chromoly steel, BC high performance connecting...

Subaru EJ Series - ProH625+ w/ARP Custom Age 625+ Fasteners. Made from aerospace grade, 4340 chromoly steel, BC high performance connecting rods de...

Adjustable Cam Gears for Subaru EJ205 and EJ257 - Set/4 - All Black color - 6061-T6 Billet Aluminum, Laser Etched, Five Clamping Bolts

Adjustable Cam Gears for Subaru EJ205 and EJ257 - Set/2 - Exhuast Side Only - 6061-T6 Billet Aluminum, Laser Etched, Five Clamping Bolts

Adjustable Cam Gears for Subaru EJ205 and EJ257 - Set/2 - Exhuast Side Only - All Black color - 6061-T6 Billet Aluminum, Laser Etched, Five Clampin...

Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, super clean, chrome silicone alloy and feature proprie...

BC valves are one piece design with a friction welded Stellite tip for the best possible performance. Every valve is made from premium grade, heat ...

BC valves are one piece design with a friction welded Stellite tip for the best possible performance. Every valve is made from premium grade, heat ...

Subaru EJ Series I-Beam w/ARP2000 Fasteners. Made from aerospace grade, 4340 chromoly steel, BC high performance connecting rods deliver the reliab...

Subaru EJ Series I-Beam Extreme w/ARP625+ Fasteners. Made from aerospace grade, 4340 chromoly steel, BC high performance connecting rods deliver th...

BC Inconel valves are intended for high boost, high horsepower applications. The undercut stem above the head area not only reduces overall weight ...

BC valves are one piece design with a friction welded Stellite tip for the best possible performance. Every valve is made from premium grade, heat ...

BC valves are one piece design with a friction welded Stellite tip for the best possible performance. Every valve is made from premium grade, heat ...

2.29L - Includes 4340 billet crank, 79mm stroke, I-Beam Extreme rods w/Custom Age 625+ fasteners (5.141 c-to-c), and custom pistons (choice of bore...

2.29L - Includes 4340 billet crank, 79mm stroke, I-Beam rods w/ARP2000 bolts (5.141 c-to-c), and custom pistons (choice of bore/compression). ACL R...

2.29L - Includes 4340 billet crank, 79mm stroke, ProH2K rods (5.141 c-to-c), and custom pistons (choice of bore/compression). ACL Race bearings ava...

2.29L - Includes 4340 billet crank, 79mm stroke, ProH625+ rods (5.141 c-to-c), and custom pistons (choice of bore/compression). ACL Race bearings a...

2.71L - Includes 4340 billet crank, 83mm stroke, I-Beam Extreme rods with Custom Age 625+ fasteners (5.141 c-to-c), and custom pistons (choice of b...

2.71L - Includes 4340 billet crank, 83mm stroke, I-Beam rods w/ARP2000 bolts (5.141 c-to-c), and custom pistons (choice of bore/compression). ACL R...

2.71L - Includes 4340 billet crank, 83mm stroke, ProH2K rods (5.141 c-to-c), and custom pistons (choice of bore/compression). ACL Race bearings ava...

2.71L - Includes 4340 billet crank, 83mm stroke, ProH625+ rods (5.141 c-to-c), and custom pistons (choice of bore/compression). ACL Race bearings a...

Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, super clean, chrome silicone alloy and feature proprie...

Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, super clean, chrome silicone alloy and feature proprie...

2.17L - Includes 4340 billet crank, 75mm stroke, I-Beam rods w/ARP2000 bolts (5.141 c-to-c), and custom pistons (choice of bore/compression). ACL R...

2.17L - Includes 4340 billet crank, 75mm stroke, ProH2K rods (5.141 c-to-c), and custom pistons (choice of bore/compression). ACL Race bearings ava...

2.17L - Includes 4340 billet crank, 75mm stroke, ProH625+ rods (5.141 c-to-c), and custom pistons (choice of bore/compression). ACL Race bearings a...