Manley 10 Degree Valve Spring Retainer - 1.530-1.570 in Dual Spring (Set of 16) EIB1000.188.0275 Chevrolet Big Block 502

Chevrolet Big Block 502

MACH Force-Xp

By controlling the valve body only through manual means

Vinyl Strip Door

Manley 10 Degree Valve Spring Retainer - 1.530-1.570 in Dual Spring (Set of 16) EIB1000.188.0275 Chevrolet Big Block 502Manley Lightweight 16pc H 13 Tool Steel Retainers 1. 440in OD for Manley 221432 221440P Product Description: Valve Spring Retainer 10 Degree 1. 140 in 0. 740 in OD Steps 1. 530 1. 570 in Dual Spring Plus 0. 100 in Steel Natural Set of 16 Manley Performance high performance and racing engine parts have been powering winners since 1966! Manley Budget Replacement Valves are better than stock valves. Manley Budget Performance Valves are for the value