Fits Small Block Chevrolet Engines From 1957 Through 1995. 283 305 307 327 350 400 383 Stroker Engines. Advertised Duration exhaust / intake : 290 / 282. Valve Lift Exhaust / Intake.
Using Rocker Arm Ratio 1.50. Basic operating range : 4000 RPM. Solid Lifter Flat Tappet Cam. CLASS IV Rough idle quality. Mid to high RPM torque and horsepower.
Need proper selection of rear axle ratio and improvements in carburation and exhaust systems. For use with manual transmission or automatic with a very high stall converter.Will not have enough vacuum for power accessories. Message Us With Any Fitment Questions.