Skyjacker Block and U-Bolt Kit - 4.5 in. Lift Brake Master Cylinder the reverse idler gear (shown

the reverse idler gear (shown in blue) is not meshed with any gears and is not spinning when the transmission is in Direct Drive

1976-1985 Chevrolet C30

Nitrous Oxide Distribution Block

Vehicle Applications: 1978-1981 Pontiac LeMans (Front Inner)

Recommended for API SN/SM/SL/CF and ACEA A3/B3/B4

Skyjacker Block and U-Bolt Kit - 4.5 in. Lift Brake Master Cylinder the reverse idler gear (shownSkyjacker utilizes Blocks and U Bolts in its Kits to provide rear lift. The Skyjacker U Bolts are e coated for corrosion resistance. These U Bolts are offered in various shapes and sizes such as square, round, and semi round in lengths ranging from 1. 75 19 inches. The Blocks used in Skyjacker Kits are Ductile iron with fixed center pins. They are also tapered to correct pinion angle and prevent driveline vibrations. Available in 1. 25, 2, 3. 5, 4. 5,