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Part fits the following years: 1954, 1955, 1956, 1957, 1958, 1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976

RPM Modules - Odd (5100, 5300, 5500, 5700, 5900), by MSD

Part# MSD7451

Mfg# 87451

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SAVE: $3.96 Retail: $38.95

OPGI Price: $34.99

Brand: MSD
Part Type: (P) High Performance, designed to improve performance
Years: Sold As: EACH
2015 Cadillac Catalog Page: 140
2016 Cadillac Catalog Page: 140


Limits rpm in MSD 6AL ignition boxes

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

These plug-in modules limit rpm (rev limiter) for all MSD 6AL ignition boxes and come in sets of five in two hundred rpm increments, in odd or even numbers (i.e. 3000, 3200, 3400 or 3100, 3300, 3500 rpm etc.) Your choice.

Make & ModelYear RangeApplication Details
Chevrolet Chevelle1964-1977 5100 – 5900
Chevrolet Malibu1978-1988 5100 - 5900
Chevrolet El Camino1964-1977 5100 – 5900
Chevrolet El Camino1978-1988 5100 - 5900
Chevrolet Monte Carlo1970-1977 (5100, 5300, 5500, 5700, 5900)
Chevrolet Monte Carlo1978-1988 5100 - 5900
Cadillac1954-1976 (5100, 5300, 5500, 5700, 5900)
Pontiac GTO1961-1973 5100 – 5900
Pontiac LeMans1961-1973 5100 – 5900
Pontiac Tempest1961-1973 5100 – 5900
Pontiac Grand Prix1959-1977 5100 - 5900
Pontiac Catalina1959-1977 5100 - 5900
Pontiac Bonneville1959-1977 5100 - 5900
Olds Cutlass/4421961-1977 5100 – 5900
Buick Skylark1961-1972 5100 - 5900
Buick Riviera1963-1976 5100 - 5900
Buick Regal1978-1988 5100 - 5900
Buick T-Type1978-1988 5100 - 5900
Buick Grand National1978-1988 5100 - 5900
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