Idle to 5500 RPM.
Ideal mildly modified engines for cars and pick ups.
Chev – Ford – Chrysler – Pontiac – Oldsmobile.
Designed for street 260-289-302 c.i.d. Ford V8s without EGR. #2121 is stock replacement/street legal part for 289 and 302 V8s with OEM 4V carb.; 1966-72 (1973 non-CA); except stock equipped EGR. Will not fit Boss 302 or 255 c.i.d. V8s.