GM Gen IV LS3 Bare Aluminium Cylinder Heads 260cc/70cc - Chevy Holden HSV Holden V8 2 X EXTREME HIGH POWER

2 X EXTREME HIGH POWER 13 LED

Tall profile valve covers

Wire Lengths: (2) @ 55"

Packed with design and build features

Japanese style stepper motor boost gauge provides high accuracy and quality

GM Gen IV LS3 Bare Aluminium Cylinder Heads 260cc/70cc - Chevy Holden HSV Holden V8 2 X EXTREME HIGH POWER"High Quality Performance At An Affordable Low Price" Suits GM Gen IV LS3 Brilliantly engineered and manufactured Made from AC4B Aluminium As cast runners and chambers Sold as a pair Specifications: Combustion chamber: 70cc Intake runner volume: 260cc Exhaust runner volume: 100cc Intake valve diameter: 2. 145 Exhaust valve diameter: 1. 600 Valve stem diameter: 0. 316