Holden 253 304 308 12 Point Black Oxide Intake Manifold Bolt Kit The TorqueWorm is a torque

The TorqueWorm is a torque biasing 6 pinion gear type limited-slip unit

Speedmaster valve cover gaskets are an excellent choice for engines

along with optimized winding

Bronze gears absorb the increased wear in special cams and magnetos and are easily replaced before costly damage to the camshaft gear occurs

Holden 253 304 308 12 Point Black Oxide Intake Manifold Bolt Kit The TorqueWorm is a torqueSpeedmaster black oxide coated chromoly intake manifold bolts are rated at 170,000 psi. They're precision machined for optimum thread engagement and have a wide area flange for better load distribution. They also feature precision rolled threads, which prevent galling, while promoting more consistent torque loading.