Complete cylinder head with guides, seats, valves, & springs
Complete cylinder head with guides, seats, valves, & springs
Perfect for high performance street and road racing demands. Conservatively rated up to 565 ft/lbs torque capacity.
For vehicles with a production date up to 01/2009 and an 8-Bolt Setup
The Super Twin is for street and track use in cars with extreme horsepower and torque
For vehicles with a production date up to 01/2009 with a 8 bolt flange
The Super Twin is for street and track use in cars with extreme horsepower and torque
For vehicles with a production date up to 01/2009 with a 8 bolt flange
The Super Twin is for street and track use in cars with extreme horsepower and torque
For vehicles with a 6 bolt flange
Increased fueling for bigger power - supports up to 1000whp!
The ULTIMATE shifter upgrade for your BMW! Experience more precise throws, less shift lever travel, and an all-around transformation in your shifting experience.
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This product was last offered at the strikethrough price on
06-13-2026
Two required per valve, necessary for use with certain supertech valves
This product was last offered at the strikethrough price on
03-04-2026
Perfect for aggressive street and moderate racing demands. Conservatively rated up to 440 ft/lbs torque capacity.
For vehicles with a production date up to 01/2009 and an 8-Bolt Setup
Replacement performance filter for the popular N55 BMW Intakes
Black anodized aluminum; designed with the enthusiast driver in mind. The right grip & slip where you need it.
10X Entries For Our 25th Anniversary Sweepstakes!
This product was last offered at the strikethrough price on
06-13-2026
The XClutch 9" Twin Disc Clutch offers a lightweight design for improved throttle response combined with a high torque capacity, making it ideal for racing applications. Rated for 890 ft-lbs!
For Vehicles with 5-Speed Transmission and 10 Spline Input Shaft
For Vehicles with 5-Speed Transmission and 10 Spline Input Shaft
Holds the driveshaft where it should be! Isolation dampers minimize vibrations and excess noise.
N54 Boost Pipe upgrade kit with Clamp/Coupler, turbo to intercooler - Also known as a "Hot Side Charge Pipe"
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The Premier Injector Upgrade for S55/N55
Reposition your intake air temperature sensor to maintain more accurate readings to maximize power output
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Alleviate the plague of heat soak on the street or track.