Brian Crower

ACL Race Series HX (1st Gen 82-89): Rods - ACL #4B1146HX (44.99-45.00mm) Mains - ACL #5M1144HX (56.98-57.00mm) The unique combination of design, me...

5.5mm Intake - Manganese Silicon Aluminum Bronze

6.0mm Exhaust - Manganese Silicon Aluminum Bronze

6.0mm Intake - Manganese Silicon Aluminum Bronze

6.0mm Exhaust - Manganese Silicon Aluminum Bronze

6.0mm Intake - Manganese Silicon Aluminum Bronze

7.0mm Exhaust - Manganese Silicon Aluminum Bronze

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 billet cranks are CNC machined on state-of-the-art mills from round bar, premium 4340 chromoly steel to ensure the strongest possible ...

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

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

Brian Crower billet cranks are CNC machined on state-of-the-art mills from round bar, premium 4340 chromoly steel to ensure the strongest possible ...

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

Brian Crower billet cranks are CNC machined on state-of-the-art mills from round bar, premium 4340 chromoly steel to ensure the strongest possible ...

Brian Crower billet cranks are CNC machined on state-of-the-art mills from round bar, premium 4340 chromoly steel to ensure the strongest possible ...

5.5mm Intake - Manganese Silicon Aluminum Bronze

4340 steel forging. All cranks are stress relieved, shot peened, magna flux inspected and nitrided (multi step heat treatment) for ultimate perform...

ACL Race Series HX - Rods, Mains, Thrust in #3 position Rods - ACL #4B8296HX (51.98-52.00mm) Mains - ACL #5M8297HX (59.98-60.00mm) The unique com...

5.5mm Intake - Manganese Silicon Aluminum Bronze

ACL Race Series HX - Rods, Mains, Thrust in #5 position Rods - ACL #4B8296HX (51.98-52.00mm) Mains - ACL #5M8309HX (59.98-60.00mm) The unique com...

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 ...

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

6.0mm Intake - Manganese Silicon Aluminum Bronze

6.6mm Exhaust - Manganese Silicon Aluminum Bronze

6.6mm Intake - Manganese Silicon Aluminum Bronze

7.0mm Exhaust - Manganese Silicon Aluminum Bronze

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 ...

7.0mm Intake - Manganese Silicon Aluminum Bronze

ACL Race Series HX: Rods - ACL #4B8366HX (47.98-48.00mm) Mains - ACL #5M8361HX (54.98-55.00mm) Thrust - ACL #2T1689 (63.80-64.05mm) The unique co...

6.0mm Exhaust - Manganese Silicon Aluminum Bronze

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 ...

ACL Race Series HX: Rods - ACL #4B8411HX (47.99-48.00mm) Mains - ACL #5M8412HX (54.98-55.00mm) Thrust - ACL #1T8412 (60.50-60.75mm) The unique co...

6.0mm Intake - Manganese Silicon Aluminum Bronze

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 ...

Clevite Race Series HX - 2.015" Rods only

6.0mm Exhaust - Manganese Silicon Aluminum Bronze

ACL Race Series HX: Rods - ACL #6B8100HX (51.98-52.00mm) Mains - ACL #7M8103HX (61.98-62.00mm) Thrust - ACL #2T8103 (67.35-67.60mm) The unique co...

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 ...

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 ...

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 ...

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 ...

BC titanium retainers are CNC machined from 6AL4V round bar titanium to exacting tolerances. BC recommends using titanium retainers on dual springs...