White Knuckle Racing Inc.

Made form Billet Aluminum with larger water capacity for increased cooling. Using stock head studs & two piece construction makes for easy installation. More efficient squish angle for quicker acceleration & higher peak RPM. Great bolt on horsepower. Comes with domes, orings, and acorns/washers. Available in 22cc, 20cc, 19cc, 18cc

Billet Performance Head with domes cut for 7mm or 4mm stroker crank not using a spacer plate. Bowls are cut for high comp. Approximately 185-195lbs.

Head is also available in Big Bore 7mm or 4mm. This head will cover up to a 70mm bore size safely. Available in 18cc or 22cc Domes. Squish angle cut at a 14 degree angle.

Billet Head for 10mm stroker motor in stock cylinder!!

Domes are recessed 5mm into the head to accomodate the sleeve sticking up out the top of the cylinder 5mm. This head will also fit the CPI 10mm stroker sleeve kit. Domes are available in 19cc and 22cc and will cover up to a 68mm bore.

Replacement O ring kit for billet heads.