60mm Wide Gilmer Drive Adapter Pulley - Mopar Chrysler SB 318 340 360 BB 383 440 Suits: 1-149-004 and 1-149-005 Manifolds

Suits: 1-149-004 and 1-149-005 Manifolds

Speedmaster aluminum crankshaft pulleys are manufactured from 356 aluminum that is heat-treated to T-6 specs

Switch out your weak and thin factory retainer plates with Speedmaster heavy-duty bearing retainer plates and make your ride a lot safer

as well as aftermarket control arms

Note: The 52000/52001 manifold is a stock replacement/street legal part for 302

60mm Wide Gilmer Drive Adapter Pulley - Mopar Chrysler SB 318 340 360 BB 383 440 Suits: 1-149-004 and 1-149-005 ManifoldsSpeedmaster gilmer drive style crankshaft pulley spacers are specifically designed to help achieve proper belt alignment. They're machined from billet aluminum for lasting durability and good looks.