Engine

Allstar Pulley Shim Kit Crank ALL31066 Use shim kits to properly align pulleys. Water pump shims have dual bolt hole pattern to fit most GM and Ford water pumps. Crank pulley spacers are for small block Chevy's. Kits include three shims. Alternate...

Allstar Pulley Shim Kit Water Pump ALL31064 Use shim kits to properly align pulleys. Water pump shims have dual bolt hole pattern to fit most GM and Ford water pumps. Crank pulley spacers are for small block Chevy's. Kits include three shims. ...

Allstar Water Pump Pulley 6.625in Dia 3/4in Pilot ALL31050 Specifically for short or Corvette water pumps, pulleys work with power steering pump and pulley to provide a ratio within the GM specified RPM range. Race engine RPM differs greatly from street...

Allstar Water Pump Pulley 6.625in Dia 5/8in Pilot ALL31040 Specifically for short or Corvette water pumps, pulleys work with power steering pump and pulley to provide a ratio within the GM specified RPM range. Race engine RPM differs greatly from street...

Allstar Pulley Guide (Each) ALL31035 Hard-coated aluminum pulley guide helps retain drive belt. Guide is .085" thick with a 1.00" ID, 1/8" keyway slot, and a 2.500" OD. The same guide is found in ALL31031 Mandrel Kits. Sold each. Alternate...

Allstar Stepped Washer For 31030 Pulley ALL31034 Kit prevents mandrel bolt breakage and is made specifically for use with Allstar ALL31030 crank pulley. Mandrel is attached to the crankshaft pulley with three bolts, while the vibration damper is retained...

Allstar Crank Pulley Mandrel ALL31032 Kit prevents mandrel bolt breakage and is made specifically for use with Allstar ALL31030 crank pulley. Mandrel is attached to the crankshaft pulley with three bolts, while the vibration damper is retained with the...

Allstar Crank Pulley 2 Groove 4.750in Dia ALL31030 Specifically for short or Corvette water pumps, pulleys work with power steering pump and pulley to provide a ratio within the GM specified RPM range. Race engine RPM differs greatly from street engines...

Allstar Valve Covers LS Fab Aluminum w/ Coil Mount ALL26211 TIG welded valve covers with a thick billet rail available with or without coil mounts. Tall design to clear most aftermarket valvetrain. Fill cap (with O-ring seal), gaskets and bolts included...

Allstar Valve Covers LS Fab Aluminum w/o Coil Mount ALL26210 TIG welded valve covers with a thick billet rail available with or without coil mounts. Tall design to clear most aftermarket valvetrain. Fill cap (with O-ring seal), gaskets and bolts included...

Allstar Valve Covers BBC Fab Aluminum w/ Holes ALL26177 TIG welded valve covers with a thick billet rail are available with or without breather holes for custom modification such as vacuum pump fittings. Recessed bolt pockets and tall design to clear...

Allstar Valve Covers SBC Fab Alum Centerbolt ALL26172 TIG welded covers are lightweight with a thick rail for gasket support. Covers without tubes are perfect for custom modification and use on dry sump systems. 1-3/8" breathers sold separately. ...