Performer RPM Aluminium Cylinder Head - Holden V8 VN EFI style with Injector notch, 195cc intake port, suit Hyd roller cam. Single Complete

Performer RPM heads are perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. These heads deliver great throttle response and power from 1500 to 6500 rpm. These heads feature the highest quality intake and exhaust valves and valve springs.

• Injector Notches
• 2.02" Intake valves
• 1.600" Exhaust valves
• 62cc Heart shaped combustion chambers
• 195cc Intake port volume
• 68cc Exhaust port volume
• 1.280" Beehive Valve springs suit Hyd Roller Cam
• Valve spring specs- 138lbs@1.8" - 326lbs@.600" .660" coil bind
• 7/16" screw in studs with guide plates