Pay in 4 interest-free payments of $107.50 Learn more
Ships within 48 hours · Estimated delivery Jul 24 - Jul 29
Dinan Underdrive Pulley Kit Phenolic/Thermal SpacersDinan's underdrive pulley is designed to increase power (11 horsepower 8400 RPM and 7 lb ft torque 8400 RPM on a stock car) by reducing parasitic drag on the engine from spinning the alternator, water pump and AC compressor. This is accomplished by slowing down the speed of these accessory drives that rob power from your engine. Dinan has done extensive hot weather testing so you can be assured that your engine is safe. The Dinan underdrive pulley is
The result of our efforts is FUSION VALVING
Note: No inline check valve is required since Radium catch cans are pressure sealed
no vehicle modification required Mk4 Ford Focus ST hatch specific fit
starting with cylinder four
2015-2021 Subaru STI (6MT)
OEM FK8 Brembo 4 piston calipers are known for turning brown or even black after track use
Designed to deliver aggressive styling and functional downforce
2007-2009 Subaru Liberty GT/GT-B BL/BP (EJ25 Single Scroll)
C207 4/6/8CYL (Adjustable extra heavy duty)
This Whiteline 30mm 2 point adjustable sway bar = more grip = better handling = outright performance - it's the best dollar for dollar handling improvement you can make to your vehicle
We start off with large 1 7/8 primary runners that come together in a true low angle 4-1 merge collector that then flow into a huge 2
decreased fuel economy
US$ 15.98
US$ 22.56
US$ 119.95
US$ 89.95
US$ 16.95
US$ 12.69