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Part fits the following years1938, 1939, 1940, 1941, 1942, 1943, 1944, 1945, 1946, 1947, 1948, 1949, 1950, 1951, 1952, 1953, 1954, 1955, 1956, 1957, 1958, 1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993

    MSD

    RPM Modules - Odd (4100, 4300, 4500, 4700, 4900) Fits 1938-93 60 Special+ 23 other models

    Retail Price $40.95 You Save 10%
    OPGI Price$36.99
    (Each)
    Part# MSD7441
    Mfg# 87441
    Low Stock
    Only a few left available for immediate delivery

    Limits rpm in MSD 6AL ignition boxes.

    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.

    Notes
    • These high-performance items are not eligible for any further discounts or promotional pricing.
    • High Performance, designed to improve performance.
    • Find in OPGI's 2018 60 Special Catalog page 214.
    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.

    Vehicle Fitment

    Make & ModelYear RangeApplication Details
    Buick Grand National1978-1987 4100 - 4900
    Buick Regal1978-1987 4100 - 4900
    Buick Riviera1963-1976 4100 - 4900
    Buick Skylark1961-1972 4100 - 4900
    Buick T-Type1978-1987 4100 - 4900
    Cadillac DeVille1938-1993 (4100, 4300, 4500, 4700, 4900)
    Cadillac Eldorado1938-1993 (4100, 4300, 4500, 4700, 4900)
    Cadillac Fleetwood1938-1993 (4100, 4300, 4500, 4700, 4900)
    Cadillac Series 60 Special1938-1993 (4100, 4300, 4500, 4700, 4900)
    Cadillac Series 60/61/631938-1993 (4100, 4300, 4500, 4700, 4900)
    Cadillac Series 62/65/Calais1938-1993 (4100, 4300, 4500, 4700, 4900)
    Cadillac Series 67/70/72/751938-1993 (4100, 4300, 4500, 4700, 4900)
    Chevrolet Chevelle1964-1977 4100 – 4900
    Chevrolet Corvair1960-1969 4100 – 4900
    Chevrolet El Camino1964-1977 4100 – 4900
    Chevrolet El Camino1978-1988 4100 - 4900
    Chevrolet Malibu1978-1988 4100 - 4900
    Chevrolet Monte Carlo1970-1977 (4100, 4300, 4500, 4700, 4900)
    Chevrolet Monte Carlo1978-1988 4100 - 4900
    Oldsmobile Cutlass/4421961-1977 4100 – 4900
    Pontiac Bonneville1959-1977 4100 - 4900
    Pontiac Catalina1959-1977 4100 - 4900
    Pontiac Grand Prix1959-1977 4100 - 4900
    Pontiac GTO1961-1973 4100 – 4900
    Pontiac LeMans1961-1973 4100 – 4900
    Pontiac Tempest1961-1973 4100 – 4900

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