Chevy (Long primaries Both sides over frame)
Fits American Made, Larry Shaw,
GRT, Stinger, TNT, Bullitt, Raider, and Rayburn

WILL NOT FIT GRT COMPUTER CAR

This header fits SB2 Engines and uses a step tube from 1 7/8" to 2" and use a 3 1/2" collector 9" long.