Underdrive Pulley (4" Single Groove) Underdrive pulleys are an excellent addition for just about any high RPM performance application. The lightweight of these billet aluminum pulleys will reduce the drag on your engine, while the underdrive design...

Underdrive Pulley (4" Triple Groove) Underdrive pulleys are an excellent addition for just about any high RPM performance application. The lightweight of these billet aluminum pulleys will reduce the drag on your engine, while the underdrive design...

Water Pump Pulley (Billet 6") The 6" polished Underdrive Pulleys can reduce water pump RPM and dress up the front of your engine. These pulleys are CNC machined from billet 6061 T-6 aluminum bar stock and cut with performance lightening holes to reduce...

Water Pump Pulley (Billet 7") The 7" black anodized Underdrive Pulleys is designed to reduce water pump RPM in high RPM race applications. These pulleys are CNC machined from billet 6061 T-6 aluminum bar stock and cut with performance lightening holes...

Harmonic Balancer for 1974-1995 20R, 22R/RE/RTE This a Factory replacement harmonic balancer for 20R, 22R, 22RE and 22RTE engines. Throughout your engine's life, the elastomer in the factory balancer can deteriorate, causing a decrease in performance...

Front Balancer Bolt We recommend replacing the balancer bolt any time you remove the harmonic balancer. Cheap insurance to avoid problems down the road. This is the OEM bolt with a large flange. It is recommended to use Anti-seize when installing...

Pro Underdrive Kit (6" Water Pump Pulley) Street vehicles running high RPM engines often overdrive the water pump making the engine's cooling system inefficient. These Crankshaft Power Pulleys reduce water pump and alternator RPM providing better...

Pro Underdrive Kit (Race Only) High RPM race engines often overdrive the water pump making the engine's cooling system inefficient. These Crankshaft Power Pulleys reduce water pump and alternator RPM providing better cooling and less power loss. The...

Pro Underdrive Kit 7" (w/ Alternator) High RPM race engines often overdrive the water pump making the engine's cooling system inefficient. These Crankshaft Power Pulleys reduce water pump and alternator RPM providing better cooling and less power loss...

Underdrive Pulley (4" Double Groove) Underdrive pulleys are an excellent addition for just about any high RPM performance application. The lightweight of these billet aluminum pulleys will reduce the drag on your engine, while the underdrive design...

Water Pump Pulley (Stock Size 4 3/4") This polished water pump pulley is the same size as a stock pulley (4 3/4"). This pulley is perfect for a low RPM application like rock crawling since it does not slow the water pump down as our underdrive pulleys...

OEM Crankshaft Pulley (Outer) This Pulley is for vehicles equipped with power steering. If replacing your harmonic balancer, this will be a good idea to replace as well. This will bolt to the factory harmonic balancer and can be used when adding power...