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

Riviera Balancer Bolt, Square-Drive, by ARP

Part# S230321

Mfg# 120-2502

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SAVE: $3.00 Retail: $29.95

OPGI Price: $26.95

DISCOUNTED KIT

Brand: ARP
Part Type: (P) High Performance, designed to improve performance
Years: Sold As: KIT
2015 Riviera Catalog Page: 125
2016 Riviera Catalog Page: 126


Easier engine rotation

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

This special version of ARP’s 200,000 psi-rated balancer bolt has a forged 1/2” square-drive end that allows you to rotate an engine with any tool having a 1/2” square-drive. These “trick” bolts are made from 8740 chrome-moly steel with a heavy-duty black oxide finish and come with a 1/4”-thick wide area washer. ARP, when only the best will do.

Make & ModelYear RangeApplication Details
Buick Skylark1961-1972 All
Buick Riviera1963-1976
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