Crower Valve Springs - 1.045 Spark Advance This is a single layer

This is a single layer smoke lens used under your stack of clear that are bought separately

080 in Oval Port

Stock Pin Height

Size referenced is the approximate opening of the screen

Crower Valve Springs - 1.045 Spark Advance This is a single layerProduct Description: Valve Spring Single Spring 251 lb in Spring Rate 0. 860 in Coil Bind 1. 045 in OD Set of 16 Crower Cams and Equipment Company, Inc., is a leading producer of aftermarket camshafts and valve train components. But over the years Crower has developed a more diverse line of products. Today, Crower is the world's largest manufacturer of aftermarket crankshafts and connecting rods, and the Crower line of clutches has been dominating the