Serving customers since 1960 — over 250,000 satisfied customers
with 2.000in Valve Head Diameter
with 1.625in Valve Head Diameter
Standard
Standard
Standard
Standard
Except High Performance
1.352in Outside Diameter Spring
High Performance
Int 2,3,6,7 Exh 1,4,5,8
Int 1,4,5,8 Exh 2,3,6,7
Standard Performance
without California Emissions System