GSC Intake/Exhaust Valve Guide +.003" – Single – SBC – 2.525" Length – GSC3074.003-1
Oversized guide for Small Block Chevy cylinder head upgrades
This +.003" oversized valve guide from GSC Power Division is designed for Small Block Chevy intake or exhaust setups. With a total length of 2.525", it’s sold individually for precision installs or custom head work. Standard-size guides are also available in singles or sets of 8, along with a +.001" oversized option. Always verify cylinder head specs before ordering to ensure proper fitment.
GSC3074 Dimensions
- Overall Length: 2.525 in / 64.14 mm
- Outer Diameter: 0.5020 in / 12.75 mm
- Valve Stem Diameter: 0.3415 in / 8 mm
Fitment:
- 1955–1998 Chevrolet Small Block V8 265–400ci
- 1967–1992 Chevrolet Camaro (SBC-equipped)
- 1964–1987 Chevrolet Chevelle/Malibu (SBC-equipped)
- 1964–1988 Chevrolet El Camino (SBC-equipped)
- 1970–1996 Chevrolet Caprice (SBC-equipped)
- 1973–1987 Chevrolet C/K Series Pickup (SBC-equipped)
- 1982–1992 Chevrolet S-10 (SBC swap applications)
- 1977–1989 Chevrolet Monte Carlo (SBC-equipped)
- 1962–1979 Chevrolet Nova (SBC-equipped)
- 1975–1985 Chevrolet Impala (SBC-equipped)
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov

