Set of four tapered seat bolts to properly secure upper aluminum water pump pulleys. Flat head cap. Black oxide finish.
Aluminum fan spacers are required for maximum air transfer. Fan should be 2" - 4" from radiator. Spacers available from 1/2" to 2-1/2" thick in 1/4" increments. Complete with bolts. Fits 5/8" shaft.
Precision machined billet aluminum. Includes bushing to fit both large (3/4") and small (5/8") pilot shaft water pumps. Five sizes available: 1", 1-1/2", 2", 2-1/2" and 3".
Note: This adapter contains two bolt patterns: 2-5/32" and 1-3/4".