Product Description
Genuine Stant R-31 "Swiv-El" Radiator Cap (New Old Stock)
Upgrade your cooling system with this genuine Stant R-31 (R31) radiator cap. This is a 16 lb (16 psi) high-pressure cap featuring Stant's patented "Swiv-El" design. The independent rotating shell allows for easier installation and removal in tight spaces, and lets you align the cap perfectly for a clean, show-car look.
This cap is designed for open or closed cooling systems on a massive range of domestic vehicles from the late 1960s through the 1980s, specifically those requiring a 16 PSI rating (often A/C or Heavy Duty Cooling models).
Key Features:
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Part Number: Stant R31 (Interchanges with Stant 10231 / 11231)
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Pressure Rating: 16 lbs (16 psi) - Check your vehicle spec
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Design: "Swiv-El" Floating Shell (Easier grip & alignment)
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Size: Standard "A" Size (2-1/8" O.D. x 3/4" Deep)
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Condition: New Old Stock (NOS) - Made in USA
Verified Vehicle Fitment (Requires 16lb System):
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Chevrolet:
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1967-1988 Camaro (V8/V6)
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1977-1979 Nova
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1966-1988 Full Size (Impala, Caprice, Bel Air)
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1964-1988 Chevelle, Malibu, Monte Carlo, El Camino
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1976-1987 Monza, Vega, Chevette
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Chrysler / Dodge / Plymouth:
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1967-1974 Barracuda / Cuda (A/C or HD Cooling)
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1968-1980 Charger, Challenger, Dart, Valiant
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1967-1988 Full Size (Imperial, New Yorker, Newport, Fury)
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Ford / Mercury:
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1978-1981 Mustang, Fairmont, Thunderbird
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1986-1988 Tempo, Topaz
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Trucks:
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1978-1988 Chevy/GMC C/K Series, Blazer, Suburban
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1988 Jeep Grand Wagoneer
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Fits Years: 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988
