Manley Valve - Exhaust, Valve-HEMI 6.1 R/M 1.625 Backing Plate Shape D601 six replacement hairpin springs and

six replacement hairpin springs and a calibration chart that tells which rod/jet combination to use

Ask the thousands of satisfied customers that have installed one in their transmissions

Constructed from 304 stainless steel and mild steel

The aerodynamically designed chambers flow 23% better and produce more horsepower and torque than the most popular high performance brand

Manley Valve - Exhaust, Valve-HEMI 6.1 R/M 1.625 Backing Plate Shape D601 six replacement hairpin springs andManley? s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM