Stainless Steel

Good article by Super Street on K20 manifold comparisons

from lightweight duracon to weighted Stainless

Please note that by installing these bushings you are removing the rubber inserts that dampen noise and vibrations

10-40% Adjustable throw

GP-5W M6 Auto Helmet delsol Stainless SteelSOME SIZES MAYBE ON BACK ORDER, IF YOU NEED IT ASAP AND CAN'T WAIT, CONTACT US FOR AVAILABILITY. THE FAVORITE OF STOCK CAR, SEDAN, AND RALLY DRIVERS: The GP 5W is favored by stock car, sedan, and rally drivers because of its wider, 90mm (approx. 3. 5") eye port. With the larger eye port opening, the GP 5W uses an exclusive shield. Now Snell SA2020 certified, with the new M6 washer nut installed at the factory. With the 6mm washer nut installed, anyone