Crankshaft (Triple Groove) Pulley with bolts. Water Pump Pulley (Double Groove) with bolts. These Pulleys are designed for your Big Block Chevy 396 - 454 with a Long Water Pump.
Aluminum 2 Groove Water Pump & 2 Crankshaft Pulley for SB Chevy 265-350 400 LWP
For Chevy SBC LWP Aluminum 2 / 3 Groove Long Water Pump Crankshaft Pulley Kit
Big Block Chevy LWP Aluminum 2 Double Groove Upper Water Pump Pulley BBC 396 454
1969-85 SB Chevy Billet Aluminum 2 Groove Water Pump Crank Pulley Kit LWP 350
Small Block Chevy LWP Aluminum 2 & 3 Groove Water Pump Crankshaft Pulley Kit