Name: Precision Race Components CNC Ported 6-Bolt 265cc Aftermarket Casting LS7 Heads & Cam Package
Brand: Precision Race Components
SKU: PRC-PKG265

Precision Race Components CNC Ported 6-Bolt 265cc Aftermarket Casting LS7 Heads & Cam Package

The Precision Race Components 265cc CNC Ported LS7 Heads & Cam Package combines PRC's proven aftermarket LS7 cylinder heads with your choice of Texas Speed camshaft and TSP hardened pushrods. Designed for customers looking to maximize airflow, horsepower, and reliability, these fully assembled cylinder heads deliver exceptional performance while maintaining excellent drivability for a wide variety of naturally aspirated and power-adder combinations.

Extensive CNC development and dyno testing have resulted in one of the best-performing LS7 cylinder head packages available. Featuring thicker deck surfaces, premium valve train components, and fully CNC-ported runners, these heads significantly outperform factory LS7 castings while maintaining outstanding durability.

Package Includes

PRC 265cc Fully CNC Ported LS7 Aftermarket Casting Cylinder Heads
Your Choice of Texas Speed Camshaft
TSP Hardened Pushrods
Fully Assembled Cylinder Heads Built in the USA

Cylinder Head Features

265cc Fully CNC Ported Intake Runners
2.245" Titanium Intake Valves
1.610" Stainless Steel Exhaust Valves
TSP .660 Spring Kit with PAC Valve Springs
Titanium Retainers
6-Bolt Cylinder Head Design
Thicker Deck Surface for Improved Durability
CHE Bronze Valve Guides
12-Degree Valve Angle
70cc Combustion Chambers

Fitment Notes

Requires a minimum 4.125" bore size
Compatible with standard GM 4-bolt LS blocks
Compatible with aftermarket LSX and RHS 6-bolt engine blocks
LS7 rocker arm ratio is 1.8:1 (not 1.7:1 like other LS engines)

Camshaft & Timing Set Information

All LS7 camshaft specifications are based on the LS7's 1.8:1 rocker ratio
Optional Cloyes timing sets are designed specifically for LS7/LS9 dry-sump oiling systems
Cloyes timing sets require a 3-bolt camshaft core

Benefits

Significantly increased airflow over factory LS7 heads
Excellent horsepower and torque gains
Premium valvetrain components for high-RPM reliability
Ideal for naturally aspirated and power-adder combinations
Complete top-end package simplifies component selection

Note: Valve spring lift ratings are based on the use of titanium intake valves. Minimum bore size requirement of 4.125" must be met for proper valve clearance.