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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


1959-77 Bonneville Harmonic Balancer Bolt LS-7

Part# CH30768


Mfg# 234-2504

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SAVE: 9% Retail: $43.95

OPGI Price: $39.99

Part Type: (P) High Performance, designed to improve performance
Years: Sold As: EACH
2017 Bonneville Catalog Page: 250

Get maximum balancer retention

  • NOTE1: Part# G200071 has a 1.580" under head length.
  • NOTE2: This high-performance item is not eligible for any further discounts or promotional pricing.

ARP has developed extra-strong bolts to keep the balancer from coming off. Rated at 190,000 psi, these bolts let you exert maximum clamping force. Bolts are available in black and have a 12-point head.

Make & ModelYear RangeApplication Details
Buick Grand National1978-1987 LS-7 Engine, 12-Point Head
Buick Regal1978-1987 LS-7 Engine, 12-Point Head
Buick Riviera1963-1976 LS-7 Engine, 12-Point Head
Buick Skylark1961-1972 LS-7 Engine, 12-Point Head
Buick T-Type1978-1987 LS-7 Engine, 12-Point Head
Chevrolet Chevelle1964-1977 LS-7 Engine, 12-Point Head
Chevrolet El Camino1964-1977 LS-7 Engine, 12-Point Head
Chevrolet El Camino1978-1988 LS-7 Engine, 12-Point Head
Chevrolet Malibu1978-1988 LS-7 Engine, 12-Point Head
Chevrolet Monte Carlo1970-1977 (LS-7 Engine) 12-Point Head
Chevrolet Monte Carlo1978-1988 LS-7 Engine, 12-Point Head
Oldsmobile Cutlass/4421961-1977 LS-7 Engine, 12-Point Head
Pontiac Bonneville1959-1977 LS-7
Pontiac Catalina1959-1977 LS-7
Pontiac Grand Prix1959-1977 LS-7
Pontiac GTO1961-1973 LS-7
Pontiac LeMans1961-1973 LS-7
Pontiac Tempest1961-1973 LS-7
California Prop 65 Icon WARNING: This product can expose you to chemicals including lead, sulfur, nickel, chromium, vanadium, titanium, polyvinyl chloride, and 4,4’-methylenebis (2-chloroaniline), which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
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