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Part fits the following years:1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977


1964-77 Chevelle Cylinder Head, Performer RPM 454-R Big-Block 118cc

Part# M980025


Mfg# 60559

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SAVE: $93.96 Retail: $1033.95

OPGI Price: $939.99


Part Type: (P) High Performance, designed to improve performance
Years: Sold As: EACH
2017 Chevelle Catalog Page: 410


  • NOTE1: This high-performance item is not eligible for any further discounts or promotional pricing.

Rectangular port cylinder heads are precisely machined using high-tech CNC equipment for consistency and performance. These cylinder heads feature specially designed intake and exhaust ports for increased flow and velocity.

Chamber Volume 118cc Deck Thickness 9/16" Valve Spring Dia. 1.55" Rocker Stud Dia. 7/16" Pushrod Dia. 3/8" Max. Valve Lift .700" Bolt Torque 70-ft./lb. Intake Port Vol. 290cc Exhaust Port Vol. 110cc

Make & ModelYear RangeApplication Details
Chevrolet Chevelle1964-1977 118cc
Chevrolet Malibu1978-1988 118cc
Chevrolet El Camino1964-1977 118cc
Chevrolet El Camino1978-1988 118cc
Chevrolet Monte Carlo1970-1977 118cc
Chevrolet Monte Carlo1978-1988 118cc
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