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Part fits the following years:1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976

ARP

1959-77 Catalina Rocker Arm Nuts, Perma-Loc Aluminum Rocker, 7/16"

Part# CH24063

 

Mfg# 300-8246

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SAVE: $7.96 Retail: $82.95

OPGI Price: $74.99

DISCOUNTED KIT

Part Type: (P) High Performance, designed to improve performance
Years: Sold As: KIT
2016 Catalina Catalog Page: 233
2017 Catalina Catalog Page: 240


Heat-treated

  • NOTES
  • NOTE1: These high-performance items are not eligible for any further discounts or promotional pricing.

ARP Perma-Loc rocker arm nuts are made not to loosen. Reason being, the adjuster body is heat-treated all the way through (not just casehardened), which eliminates "thread" movement. The threads are machined exactly perpendicular to the bottom of the adjuster, so it seats evenly and applies pressure on a full 360° circle. The screw is machined flush on the bottom (not pointed) to have optimum contact on the rocker arm stud.

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