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

Match your camshaft with Speedmaster iron distributor gears

Speedmaster valve seals are posi-stop seals made from high-temperature Viton¨ material for a long-lasting seal

Windsor and Big block applications feature cast construction

along with optimized winding

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.