Stant R31 Swivel Radiator Cap 16lb 1967-1988 Chevy Camaro Mopar Ford NOS

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:

• Part Number: Stant R31 (Interchanges with Stant 10231 / 11231)

• Pressure Rating: 16 lbs (16 psi) - Check your vehicle spec

• Design: "Swiv-El" Floating Shell (Easier grip & alignment)

• Size: Standard "A" Size (2-1/8" O.D. x 3/4" Deep)

• Condition: New Old Stock (NOS) - Made in USA

Verified Vehicle Fitment (Requires 16lb System):

• Chevrolet:

  • 1967-1988 Camaro (V8/V6)

  • 1977-1979 Nova

  • 1966-1988 Full Size (Impala, Caprice, Bel Air)

  • 1964-1988 Chevelle, Malibu, Monte Carlo, El Camino

  • 1976-1987 Monza, Vega, Chevette

• Chrysler / Dodge / Plymouth:

  • 1967-1974 Barracuda / Cuda (A/C or HD Cooling)

  • 1968-1980 Charger, Challenger, Dart, Valiant

  • 1967-1988 Full Size (Imperial, New Yorker, Newport, Fury)

• Ford / Mercury:

  • 1978-1981 Mustang, Fairmont, Thunderbird

  • 1986-1988 Tempo, Topaz

• Trucks:

  • 1978-1988 Chevy/GMC C/K Series, Blazer, Suburban

  • 1988 Jeep Grand Wagoneer

Fits Years: 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988