Product details:

Lunati 93106: Gear Drive, Dual Idler, Chevy, Big Block, Kit - Nothing beats the precision of a performance-built gear drive. These Lunati timing gear drive sets make an excellent choice for your high performance engine. They feature a dual idler drive and are fully rollerized, using high-quality bearings throughout. The cam gear uses a bronze wear plate and is predrilled for an offset timing bushing, offering a maximum advance/retard of 4 degrees at both the camshaft and crankshaft. The Lunati timing gear drive sets also include a rollerized cam button, can be easily installed, and will fit under a factory timing cover. Lunati. 93106 fits these applications: CHEVROLET 7.4L/454 Chevy big block Mark IV, CHEVROLET 7.0L/427 Chevy big block Mark IV, CHEVROLET 6.6L/402 Chevy big block Mark IV, CHEVROLET 6.5L/396 Chevy big block Mark IV, CHEVROLET 6.0L/366 Chevy big block Mark IV.