Review on Sportsman Steel Roller Tip Rocker Arm - PRW 0845501 - Fits Pontiac 287-455 & 4.3L V8 (1958-81) by Ricky Mills
Accessible. in engines and engine parts
This may be a quality product but I will not run them. They're only priced at £10. Spring pressure is greater than on my 400 Pontiac. I won't risk it if a hairpin fits in a $10,000 vintage build. I was never able to get the correct Pontiac 5/16 Rocker Nuts from the manufacturer. I have two sets of 3/8 nuts that will not fit any Pontiac I have seen in 40 years. I bought good old stamped steel rocker arms. You know, the ones that got that engine running for the first 50 years? No needle. No chance of failure. No hunting for polylocks. However. Anyone need rocker arms and two sets of non-Pontiac polyblocks?
- rocker arms
- poorly designed
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