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

Chevelle Cylinder Head, Performer RPM Small-Block Angled Plugs, by Edelbrock

Part# CH25663

Mfg# 60999

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SAVE: $75.96 Retail: $835.95

OPGI Price: $759.99

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Brand: Edelbrock
Part Type: (P) High Performance, designed to improve performance
Years: Sold As: EACH
2015 Chevelle Catalog Page: 362
2016 Chevelle Catalog Page: 372

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  • NOTES
  • NOTE1: These high-performance items are not eligible for any further discounts or promotional pricing.

Performer RPM heads from Edelbrock are ideal for non-emissions 302-400-CID small-block engines. These high-quality aluminum cylinder heads are CNC-machined for accuracy and are available for straight or angle plug applications.

Part# M980013 & M980014 Chamber Volume 70cc Deck Thickness 9/16" Valve Spring Dia. 1.46" Rocker Stud Dia. 3/8" Pushrod Dia. 5/16" Max. Valve Lift .575" Bolt Torque 65-ft./lb. Intake Port Vol. 185cc Exhaust Port Vol. 65cc Part# M980015 & CH25663 Chamber Volume 64cc Deck Thickness 9/16" Valve Spring Dia. 1.46" Rocker Stud Dia. 3/8" Pushrod Dia. 5/16" Max. Valve Lift .575" Bolt Torque 65-ft./lb. Intake Port Vol. 185cc Exhaust Port Vol. 65cc

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