Products

BC3800 - Polaris XP Turbo (16-up) / XP 1000 (14-up) Stainless Steel Intake Valves - 37.8mm...

BC valves are one piece design with a friction welded Stellite tip for the best possible performa...

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 resistant stainless steel material to insure reliability with high boost and/or high rpm applications. The undercut stem above the head area not only reduces overall weight for extended rpm potential, but also significantly improves air/fuel flow in and out of the combustion chamber. Every valve is fully machined and features a swirl polished finis...

BC3801 - Polaris XP Turbo (16-up) / XP 1000 (14-up) Stainless Steel Exhaust Valves - 29.2m...

BC valves are one piece design with a friction welded Stellite tip for the best possible performa...

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 resistant stainless steel material to insure reliability with high boost and/or high rpm applications. The undercut stem above the head area not only reduces overall weight for extended rpm potential, but also significantly improves air/fuel flow in and out of the combustion chamber. Every valve is fully machined and features a swirl polished finis...

BC3802-2 - Polaris Pro R (21-up) Stainless Steel Intake Valves - 38.8mm (+1mm)

BC valves are one piece design with a friction welded Stellite tip for the best possible performa...

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 resistant stainless steel material to insure reliability with high boost and/or high rpm applications. The undercut stem above the head area not only reduces overall weight for extended rpm potential, but also significantly improves air/fuel flow in and out of the combustion chamber. Every valve is fully machined and features a swirl polished finis...

BC3803-2 - Polaris Pro R (21-up) Stainless Steel Exhaust Valves - 30.2mm (+1mm)

BC valves are one piece design with a friction welded Stellite tip for the best possible performa...

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 resistant stainless steel material to insure reliability with high boost and/or high rpm applications. The undercut stem above the head area not only reduces overall weight for extended rpm potential, but also significantly improves air/fuel flow in and out of the combustion chamber. Every valve is fully machined and features a swirl polished finis...

BC3803N-2 - Polaris Pro R (21-up) Inconel Exhaust Valves - 30.2mm (+1mm)

BC valves are one piece design with a friction welded Stellite tip for the best possible performa...

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 resistant Inconel material to insure reliability with high boost and/or high rpm applications. The undercut stem above the head area not only reduces overall weight for extended rpm potential, but also significantly improves air/fuel flow in and out of the combustion chamber. Every valve is fully machined and features a swirl polished finish under ...

BC3807N-2 - Polaris Pro R (21-up) Inconel Exhaust Valves - 33.0mm (+3.8mm)

BC valves are one piece design with a friction welded Stellite tip for the best possible performa...

BC valves are one piece design with a friction welded Stellite tip for the best possible performance. Every valve is made from premium grade, extreme heat resistant Inconel NCF751 alloy or Inconel material to insure reliability with high boost and/or high rpm applications. The undercut stem above the head area not only reduces overall weight for extended rpm potential, but also significantly improves air/fuel flow in and out of the combustion chamber. Every valve is fully machined and feature...

BC3820 - Honda Talon 1000 Stainless Steel Intake Valves - 36.5mm (STD)

BC valves are one piece design with a friction welded Stellite tip for the best possible performa...

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 resistant stainless steel material to insure reliability with high boost and/or high rpm applications. The undercut stem above the head area not only reduces overall weight for extended rpm potential, but also significantly improves air/fuel flow in and out of the combustion chamber. Every valve is fully machined and features a swirl polished finis...

BC3822 - Honda Talon 1000 Stainless Steel Intake Valves - 37.5mm (+1mm)

BC valves are one piece design with a friction welded Stellite tip for the best possible performa...

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 resistant stainless steel material to insure reliability with high boost and/or high rpm applications. The undercut stem above the head area not only reduces overall weight for extended rpm potential, but also significantly improves air/fuel flow in and out of the combustion chamber. Every valve is fully machined and features a swirl polished finis...

BC3830 - Can-Am X3 Stainless Steel Intake Valves - 29mm (STD)

BC valves are one piece design with a friction welded Stellite tip for the best possible performa...

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 resistant stainless steel material to insure reliability with high boost and/or high rpm applications. The undercut stem above the head area not only reduces overall weight for extended rpm potential, but also significantly improves air/fuel flow in and out of the combustion chamber. Every valve is fully machined and features a swirl polished finis...

BC3832 - Can-Am X3 Stainless Steel Intake Valves - 30mm (+1mm)

BC valves are one piece design with a friction welded Stellite tip for the best possible performa...

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 resistant stainless steel material to insure reliability with high boost and/or high rpm applications. The undercut stem above the head area not only reduces overall weight for extended rpm potential, but also significantly improves air/fuel flow in and out of the combustion chamber. Every valve is fully machined and features a swirl polished finis...

BC3850 - Yamaha YXZ / Textron XX Stainless Steel Intake Valves - 31mm (STD)

BC valves are one piece design with a friction welded Stellite tip for the best possible performa...

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 resistant stainless steel material to insure reliability with high boost and/or high rpm applications. The undercut stem above the head area not only reduces overall weight for extended rpm potential, but also significantly improves air/fuel flow in and out of the combustion chamber. Every valve is fully machined and features a swirl polished finis...

BC3853N - Yamaha YXZ / Textron XX Inconel Exhaust Valves - 27mm (+1mm)

BC valves are one piece design with a friction welded Stellite tip for the best possible performa...

BC valves are one piece design with a friction welded Stellite tip for the best possible performance. Every valve is made from premium grade, extreme heat resistant Inconel NCF751 alloy or Inconel material to insure reliability with high boost and/or high rpm applications. The undercut stem above the head area not only reduces overall weight for extended rpm potential, but also significantly improves air/fuel flow in and out of the combustion chamber. Every valve is fully machined and feature...

BC3892 - Honda Talon 1000 (19-up) Valve Lash Adjusters

BC valve lash adjusters are CNC machined from S7 tool steel for the ultimate in wear resistance. ...

BC valve lash adjusters are CNC machined from S7 tool steel for the ultimate in wear resistance. Each shim kit includes 36 pieces from in nine varying thicknesses starting at 2.00mm thick all the way up to 2.40mm thick in 0.05mm increments. 4 shims in each thickness.

BC3900 - Honda/Acura B Series VTEC (B16A, B18C, B17A) Intake Valve Guides

5.5mm Intake - Manganese Silicon Aluminum Bronze

5.5mm Intake - Manganese Silicon Aluminum Bronze

BC3901 - Honda/Acura B Series VTEC (B16A, B18C, B17A) Exhuast Valve Guides

5.5mm Exhaust - Manganese Silicon Aluminum Bronze

5.5mm Exhaust - Manganese Silicon Aluminum Bronze

BC3903 - Honda/Acura B18A, B18B, B20B, H23 Exhuast Valve Guides

6.6mm Exhaust - Manganese Silicon Aluminum Bronze

6.6mm Exhaust - Manganese Silicon Aluminum Bronze

BC3905 - Honda K Series VTEC (K20A/Z, K24A) Exhuast Valve Guides

5.5mm Exhaust - Manganese Silicon Aluminum Bronze

5.5mm Exhaust - Manganese Silicon Aluminum Bronze

BC3907 - Honda F Series VTEC (F20C/F22C) Exhuast Valve Guides

5.5mm Exhaust - Manganese Silicon Aluminum Bronze

5.5mm Exhaust - Manganese Silicon Aluminum Bronze

BC3909 - Honda D Series VTEC (D16Y8/D16Z6) Exhuast Valve Guides

5.5mm Exhaust - Manganese Silicon Aluminum Bronze

5.5mm Exhaust - Manganese Silicon Aluminum Bronze

BC3911 - Mitsubishi 4G63/Evo Exhaust Valve Guides

6.6mm Exhaust - Manganese Silicon Aluminum Bronze

6.6mm Exhaust - Manganese Silicon Aluminum Bronze

BC3915 - Mitsubishi 4B11T (Evo X) / Hyundai G4KF Exhaust Valve Guides

5.5mm Exhaust - Manganese Silicon Aluminum Bronze

5.5mm Exhaust - Manganese Silicon Aluminum Bronze

BC3917 - Dodge SRT-4, 2.0L Neon/420A Exhaust Valve Guides

6.0mm Exhaust - Manganese Silicon Aluminum Bronze

6.0mm Exhaust - Manganese Silicon Aluminum Bronze

BC3919 - Mitsubishi 3000GT (6G72)/Dodge Stealth Exhaust Valve Guides

6.6mm Exhaust - Manganese Silicon Aluminum Bronze

6.6mm Exhaust - Manganese Silicon Aluminum Bronze

BC3921 - Nissan SR20DE(T) - RWD Exhaust Valve Guides (7.0mm stem dia)

7.0mm Exhaust - Manganese Silicon Aluminum Bronze

7.0mm Exhaust - Manganese Silicon Aluminum Bronze

BC3924 - Nissan KA24DE - Intake Valve Guides

7.0mm Intake - Manganese Silicon Aluminum Bronze

7.0mm Intake - Manganese Silicon Aluminum Bronze

BC3926 - Nissan VQ35DE - Intake Valve Guides

6.6mm Intake - Manganese Silicon Aluminum Bronze

6.6mm Intake - Manganese Silicon Aluminum Bronze

BC3928 - Nissan RB26DETT - Intake Valve Guides

6.0mm Intake - Manganese Silicon Aluminum Bronze

6.0mm Intake - Manganese Silicon Aluminum Bronze

BC3930 - Toyota 2JZGTE/GE - Intake Valve Guides

6.0mm Intake - Manganese Silicon Aluminum Bronze

6.0mm Intake - Manganese Silicon Aluminum Bronze

BC3932 - Toyota 7MGTE/GE - Intake Valve Guides

6.0mm Intake - Manganese Silicon Aluminum Bronze

6.0mm Intake - Manganese Silicon Aluminum Bronze

BC3934 - Scion 2AZFE - Intake Valve Guides

5.5mm Intake - Manganese Silicon Aluminum Bronze

5.5mm Intake - Manganese Silicon Aluminum Bronze

BC3936 - Toyota 3SGTE/GE - Intake Valve Guides

6.0mm Intake - Manganese Silicon Aluminum Bronze

6.0mm Intake - Manganese Silicon Aluminum Bronze

BC3938 - Toyota 4AGE 16v - Intake Valve Guides

6.0mm Intake - Manganese Silicon Aluminum Bronze

6.0mm Intake - Manganese Silicon Aluminum Bronze

BC3960 - Subaru EJ Series (EJ205, EJ207, EJ257, EJ257B) - Intake Valve Guides

6.0mm Intake - Manganese Silicon Aluminum Bronze

6.0mm Intake - Manganese Silicon Aluminum Bronze

BC3963 - Can-Am X3 (17-up) Intake/Exhaust Valve Guides

Intake and exhaust valve guides for the Can-Am X3/Rotax 900 engine platform. BC premium valves gu...

Intake and exhaust valve guides for the Can-Am X3/Rotax 900 engine platform. BC premium valves guides are made from Manganese Silicon Aluminum Bronze alloy and CNC machined to exacting tolerances. BC guides are resistant to cracking and corrosion, while reducing friction and insures high lubrication even at elevated engine temperatures and rpm's. The perfect replacement to worn or damaged guides and 100% compatible with BC's lineup of stainless steel valves. Set/12

BC3965-I - Polaris XP Turbo (16-up) / XP 1000 (14-up) Intake Valve Guides (BC Design)

BC premium valves guides are made from Manganese Silicon Aluminum Bronze alloy and CNC machined t...

BC premium valves guides are made from Manganese Silicon Aluminum Bronze alloy and CNC machined to exacting tolerances. BC guides are resistant to cracking and corrosion, while reducing friction and insures high lubrication even at elevated engine temperatures and rpm's. The perfect replacement to worn or damaged guides and 100% compatible with BC's lineup of stainless steel valves.

BC3965I-2 - Polaris Pro R Fury 2.0L Intake Valve Guides (BC Design)

BC premium valves guides are made from Manganese Silicon Aluminum Bronze alloy and CNC machined t...

BC premium valves guides are made from Manganese Silicon Aluminum Bronze alloy and CNC machined to exacting tolerances. Threaded tip to prevent valve seals from popping off. BC guides are resistant to cracking and corrosion, while reducing friction and insures high lubrication even at elevated engine temperatures and rpm's. The perfect replacement to worn or damaged guides and 100% compatible with BC's lineup of stainless steel valves.

BC3966 - Polaris XP Turbo / XP 1000 Valve Guides

5.5mm Stem Diameter fits both Intake and Exhaust - BC premium valve guides feature a threaded end...

5.5mm Stem Diameter fits both Intake and Exhaust - BC premium valve guides feature a threaded end where the valve stem seal goes, virtually eliminating the seal popping off at extended rpm's. Made from Manganese Silicon Aluminum Bronze alloy and CNC machined to exacting tolerances. BC guides are resistant to cracking and corrosion, while reducing friction and insures high lubrication even at elevated engine temperatures and rpm's. The perfect replacement to worn or damaged guides and 100% com...

BC3970 - Honda B16A/H22A 5.5mm Valve Stem Seals for Stock or Aftermarket Valve Guides

BC valve stem seals are designed for stock or aftermarket valve guides (BC3900/3901). These Viton...

BC valve stem seals are designed for stock or aftermarket valve guides (BC3900/3901). These Viton seals allow a carefully defined amount of engine oil from the cylinder head into the combustion chamber—to lubricate the rotating valve stem in the valve guide. BC valve stem seals are produced from high performance materials for increased part life and lower wear. Set/16

BC3977 - Mitsubishi 4G63/Evo Valve Stem Seals

These Viton seals allow a carefully defined amount of engine oil from the cylinder head into the ...

These Viton seals allow a carefully defined amount of engine oil from the cylinder head into the combustion chamber—to lubricate the rotating valve stem in the valve guide. BC valve stem seals are produced from high performance materials for increased part life and lower wear.

BC3990 - Polaris XP Turbo (16-up) / XP 1000 (14-up) Valve Stem Seals Designed for BC3965/A...

BC valve stem seals are designed for standard aftermarket valve guides like BC3965. The seals all...

BC valve stem seals are designed for standard aftermarket valve guides like BC3965. The seals allow a carefully defined amount of engine oil from the cylinder head into the combustion chamber—to lubricate the rotating valve stem in the valve guide. BC valve stem seals are produced from high performance materials for increased part life and lower wear.

BC3991 - Polaris XP Turbo (16-up) / XP 1000 (14-up) Valve Stem Seat/Seals Designed for Sto...

BC valve stem seals are designed for OEM Polaris (stock) top hat style seat. Integrated seat/seal...

BC valve stem seals are designed for OEM Polaris (stock) top hat style seat. Integrated seat/seal for OEM valve guides when using stock or BC spring/retainer if running stock cams or cams under.430" lift. The seals allow a carefully defined amount of engine oil from the cylinder head into the combustion chamber—to lubricate the rotating valve stem in the valve guide. BC valve stem seals are produced from high performance materials for increased part life and lower wear.

BC3992 - Polaris XP Turbo / XP 1000 Valve Stem Seals for BC3966 Valve Guides

BC valve stem seals are designed for BC’s exclusive, threaded end valve guides (BC3966). These Vi...

BC valve stem seals are designed for BC’s exclusive, threaded end valve guides (BC3966). These Viton seals allow a carefully defined amount of engine oil from the cylinder head into the combustion chamber—to lubricate the rotating valve stem in the valve guide. BC valve stem seals are produced from high performance materials for increased part life and lower wear.

BC4010 - ACL Honda B16A Bearing Set - OEM Sizing

ACL Race Series HX: Rods - ACL #4B1946HX (44.98-45.00mm) Mains - ACL #5M1959HX (54.98-55.00mm) Th...

ACL Race Series HX: Rods - ACL #4B1946HX (44.98-45.00mm) Mains - ACL #5M1959HX (54.98-55.00mm) Thrust - ACL #1T1957 (61.25-61.50mm) The unique combination of design, metallurgy and engineering come together to deliver what drivers expect from high performance Trimetal engine bearings. Designed to withstand higher RPM conditions, ACL Race Series Engine Bearings are available for many of the popular 4, 6 & 8 cylinder applications.

BC4020 - ACL Honda B18A/B Bearing Set - OEM Sizing / BC K-Series Stroker

ACL Race Series HX: Rods - ACL #4B1946HX (44.98-45.00mm) Mains - ACL #5M1959HX (54.98-55.00mm) Th...

ACL Race Series HX: Rods - ACL #4B1946HX (44.98-45.00mm) Mains - ACL #5M1959HX (54.98-55.00mm) Thrust - ACL #1T1957 (61.25-61.50mm) The unique combination of design, metallurgy and engineering come together to deliver what drivers expect from high performance Trimetal engine bearings. Designed to withstand higher RPM conditions, ACL Race Series Engine Bearings are available for many of the popular 4, 6 & 8 cylinder applications.

BC4030 - ACL Honda H22A1 Bearing Set (50mm main 93-96) - OEM Sizing

ACL Race Series HX - H22A1 1993-96 Rods - ACL #4B1912HX (47.98-48.00mm) Mains - ACL #5M1937A (49....

ACL Race Series HX - H22A1 1993-96 Rods - ACL #4B1912HX (47.98-48.00mm) Mains - ACL #5M1937A (49.98-50.00mm) Thrust - ACL #1T1957 (61.25-61.50mm) The unique combination of design, metallurgy and engineering come together to deliver what drivers expect from high performance Trimetal engine bearings. Designed to withstand higher RPM conditions, ACL Race Series Engine Bearings are available for many of the popular 4, 6 & 8 cylinder applications.

BC4060 - ACL Honda F20C/F22C Bearing Set - OEM Sizing

ACL Race Series HX: Rods - ACL #4B1912HX (47.98-48.00mm) Mains - ACL #5M1913HX (54.976-55.00mm) T...

ACL Race Series HX: Rods - ACL #4B1912HX (47.98-48.00mm) Mains - ACL #5M1913HX (54.976-55.00mm) The unique combination of design, metallurgy and engineering come together to deliver what drivers expect from high performance Trimetal engine bearings. Designed to withstand higher RPM conditions, ACL Race Series Engine Bearings are available for many of the popular 4, 6 & 8 cylinder applications.

BC4101 - ACL Mitsubishi 4G63T (Evo w/2 Pc Main) Bearing Set - OEM Sizing

ACL Race Series HX - Rods, Mains, Thrust - Evo w/2 Pc Main Rods - ACL #4B1185HX (44.98-44.99mm) M...

ACL Race Series HX - Rods, Mains, Thrust - Evo w/2 Pc Main Rods - ACL #4B1185HX (44.98-44.99mm) Mains - ACL #5M1219HX (56.98-57.00mm) Thrust - ACL #1T1129 (63.10-61.35mm) The unique combination of design, metallurgy and engineering come together to deliver what drivers expect from high performance Trimetal engine bearings. Designed to withstand higher RPM conditions, ACL Race Series Engine Bearings are available for many of the popular 4, 6 & 8 cylinder applications.

BC4130 - ACL Mitsubishi 4B11T Bearing Set - OEM Sizing

ACL Race Series HX: Rods - ACL #4B1236HX (51.95-51.97mm) Mains - ACL #5M1237HX (51.97-51.98mm) Th...

ACL Race Series HX: Rods - ACL #4B1236HX (51.95-51.97mm) Mains - ACL #5M1237HX (51.97-51.98mm) Thrust - ACL #1T1237 (58.00-58.25mm) The unique combination of design, metallurgy and engineering come together to deliver what drivers expect from high performance Trimetal engine bearings. Designed to withstand higher RPM conditions, ACL Race Series Engine Bearings are available for many of the popular 4, 6 & 8 cylinder applications.

BC4201 - ACL Nissan SR20DE(T) w/17mm Width Bearing Set - OEM Sizing

ACL Race Series HX - 17mm Width Rod Rods - ACL #4B2960HX (47.95-47.97mm) Mains - ACL #5M2964HX (5...

ACL Race Series HX - 17mm Width Rod Rods - ACL #4B2960HX (47.95-47.97mm) Mains - ACL #5M2964HX (54.95-54.98mm) Thrust - ACL #1T2964 (61.50-61.75mm) The unique combination of design, metallurgy and engineering come together to deliver what drivers expect from high performance Trimetal engine bearings. Designed to withstand higher RPM conditions, ACL Race Series Engine Bearings are available for many of the popular 4, 6 & 8 cylinder applications.

BC4230 - ACL Nissan RB26DETT Bearing Set - OEM Sizing

ACL Race Series HX: Rods - ACL #6B2960HX (47.95-47.97mm) Mains - ACL #7M2428HX (54.95-54.97mm) Th...

ACL Race Series HX: Rods - ACL #6B2960HX (47.95-47.97mm) Mains - ACL #7M2428HX (54.95-54.97mm) The unique combination of design, metallurgy and engineering come together to deliver what drivers expect from high performance Trimetal engine bearings. Designed to withstand higher RPM conditions, ACL Race Series Engine Bearings are available for many of the popular 4, 6 & 8 cylinder applications.