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

1963-76 Riviera Cylinder Head Bolts, Performance 455CI, Hex Head, by ARP

Part# S230337

Mfg# 125-3601

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SAVE: $8.96 Retail: $93.95

OPGI Price: $84.99

Brand: ARP
Part Type: (P) High Performance, designed to improve performance CI = Cubic inches
Years: Sold As: SET
2016 Riviera Catalog Page: 117

Better cylinder head gasket clamping power than stock

  • NOTE1: This high-performance item is not eligible for any further discounts or promotional pricing.

The “High-Performance” series of cylinder head bolts from ARP are made from 180,000 psi steel, which makes them 15% stronger than grade 8 bolts. They also feature a special wide area flange underneath the bolt head so you don’t have to re-torque the heads and they provide maximum clamping power. The complete head bolt set comes with hardened parallel-ground steel washers for steel and aluminum heads.

Make & ModelYear RangeApplication Details
Buick Skylark1961-1972 455 CID, Hex Head
Buick Riviera1963-1976 455CI, Hex Head
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