Aeromotive Double-Adjustable 2-Port Regulator 31015R 3 rating and available in

3 rating and available in black sizes XX-Small - 2XL - remember that racing underwear is designed and built to fit snugly so go up one size if you want it more loose fitting

1966-1973 Chevrolet Chevelle

just like your racing technology

Does NOT fit EcoBoost engines

Weld-On Tab (#MT-MAC-XC-WELD)

Aeromotive Double-Adjustable 2-Port Regulator 31015R 3 rating and available inRevolutionary design provides two independent pressure adjustments; one adjustment for idle and one for wide open throttle. Engineered for use with variable volume pumps tied to engine RPM. This regulator creates the smoothest and most repeatable fuel curve from idle to wide open throttle of any bypass system. double adjustable bypass 2 port regulator works with single and dual carbureted engines has two independent pressure adjustments: one for idle