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


1965-77 Catalina Cylinder Head, Performer RPM 87cc (Complete)

Part# G980025


Mfg# 60579

1 Review

SAVE: $123.96 Retail: $1,363.95

OPGI Price: $1,239.99


Part Type: (P) High Performance, designed to improve performance
Years: Sold As: EACH
2017 Catalina Catalog Page: 238


Powerful and lightweight

  • NOTE1: These high-performance items are not eligible for any further discounts or promotional pricing.
  • SHIP NOTE: This item is SPECIAL ORDER and will be drop-shipped from the manufacturer. more info

Made for the 1965-77 389-455 Pontiac V8 engines. These heads are patterned after the 1969-70 Ram Air IV heads. The “Performerrpm heads provide outstanding horsepower along with excellent low-speed torque and throttle response. Ram Air IV headers or exhaust manifolds must be used. The complete heads are assembled with stainless steel, one-piece swirl-polished 2.11" intake and 1.66" exhaust valves with under-cut stems to promote better flow for more power. Includes 2-ring positive oil control seals, rocker studs and guideplates, valve springs, steel retainers and keepers. Heads include bronze guides, hardened valve seats and the deck surface is 5/8" thick. Part# G221435Head bolt set for part# G980036. For some time now, this specific cylinder head has featured a new head-bolt boss height. This improves performance under super high-compression, supercharger or nitrous applications. This also simplifies the bolt kit: Head bolts of three different lengths are required as opposed to the six different lengths required with the old head bolt kit.

Make & ModelYear RangeApplication Details
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