Designed for 1986 and earlier 262-400 cubic-inch , the Performer EPS dual-plane is optimized to deliver performance over other low-rise dual plane . This small-block has a runner design thats "tuned" for torque around 3500 rpm on a 350-inch engine and it produces from -idle to 5500 rpm.
Dyno tests showed of 5 and 9 ft/lbs of torque over the Performer on a 350 . From 3000 to 4500 rpm, the increases averaged 5+ ft/lbs. of torque for more performance where you need it most.
IMCA racing .
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IMCA