- Thicker Deck Surfaces Than Other Brands
The Edelbrock Performer RPM Cylinder Head Part #60575 is engineered to deliver exceptional performance improvements for Pontiac engines from 1962 to 1979, specifically targeting 389-455 cubic inch displacement models. These heads are street-legal across all 50 states for vehicles manufactured between 1965 and 1979, making them a versatile choice for enthusiasts seeking both performance and legality. Designed with 87cc combustion chambers, they optimize airflow and combustion efficiency, allowing for increased power output while maintaining a streetable 9.5:1 compression ratio. These features enable the use of lower-octane fuel without sacrificing performance, making them ideal for daily drivers, street rods, and muscle cars demanding reliable street performance. The heads are patterned after the renowned 1969-70 Ram Air IV Pontiac cylinder heads, ensuring a classic performance heritage combined with modern manufacturing precision. Constructed with thicker deck surfaces than many competing brands, they enhance durability and provide a strong foundation for high-performance builds. The heads are equipped with high-quality intake and exhaust valves, along with valve springs designed to withstand aggressive cam profiles. They are compatible with a broad range of Pontiac engines, including 326, 350, 389, 400, 421, 428, and 455 cubic inch displacements, making them a flexible upgrade for various engine configurations. Whether you're upgrading for street performance, restoring a vintage muscle car, or building a street rod, the Edelbrock #60575 Performer RPM cylinder head offers a blend of performance, durability, and compliance that meets the demands of classic Pontiac enthusiasts.
Features:
- Designed for 1962-1979 Pontiac engines with 389-455 c.i.d. displacements
- 50-state emissions legal for 1965-1979 vehicles
- 87cc combustion chambers for optimized airflow and efficiency
- Streetable 9.5:1 compression ratio for lower-octane fuel use
- Patterned after the classic 1969-70 Ram Air IV Pontiac cylinder head
- Thicker deck surfaces for increased durability and strength
- High-quality intake and exhaust valves included
- Valve springs designed for aggressive cam profiles
- Compatible with a variety of Pontiac engine models including 326, 350, 389, 400, 421, 428, and 455
- air_freight_prohibited:
- false
- not_carb_approved:
- false
- carb_eo_number:
- D-215-94
- ltl_freight_required:
- false
- prop_65:
- Y
- part_type:
- automotive
- epa:
- Compliant
- carb_acknowledgement_required:
- false
- regular_stock:
- false
- units_per_sku:
- 1
- Mod Category:
- Performance
- Mod Subcategory:
- Cylinder Heads