MOPAR POLY 318

This 8390 set is adjustable, Designed for a stock Poly 318, Ratio offered is 1.60 only due to clearance

Call Now To Order (775) 884-2292.

Part#: 8390

INTAKE
Ratio: 1.60 only
EXHAUST
Ratio: 1.60 only

Product Description

adjustable rocker arm’s Designed for a stock Poly 318, Ratio offered is 1.60 only due to clearance

Foot Notes

1Most common system for this cylinder head.
3All required mounting hardware supplied with assembly
13May require minor clearancing
33Will work with factory valve cover
50For use with 5/16” pushrod
60For use with stock/factory-style block