66-84 BT 1.5 To 1 Ratio Rocker Arm Set

Part Number 900-4320A (132875747)

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Description

Rocker Arms

This part fits the following vehicles.

These roller rocker arms also feature the exclusive .750 in. long S&S® rocker arm bushings, with 50% more load-bearing surface than stock .500 in. bushings
S&S® rocker arms for shovelhead engines are machined from 8620 steel forgings and heat treated for maximum strength
When used in conjunction with S&S® billet tappet guides and S&S® Quickee pushrods, allows for top-end oiling
The roller rocker arms are compatible with S&S® billet and stock rocker boxes
Nominal rocker ratio of 1.5:1