Engine & Exhaust

Allstar 1:1 Pulley Kit for use w/o Power Steering ALL31083 Double groove aluminum pulley kits include belts, crank pulley and water pump pulley with a 5/8" diameter hole. Components also sold separately. Alternate Description 1:1 PULLEY KIT FOR...

Allstar 1:1 Pulley Kit Head Mount PS ALL31082 Double groove aluminum pulley kits include belts, crank pulley and water pump pulley with a 5/8" diameter hole. Components also sold separately. Alternate Description 1:1 PULLEY KIT HEAD MOUNT PS ...

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 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. ...

Allstar Valve Covers SBC Fab Aluminum w/o Tubes ALL26170 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. ...

Allstar Valve Covers SBC Alum w/Tubes ALL26139 Tall polished aluminum valve covers are sold in pairs, with two 1-3/8" baffled breather tubes on one cover. Breathers sold separately. Alternate Description VALVE COVERS SBC ALUM W/TUBES Part...

Allstar Valve Covers SBC Alum Centerbolt w/Tubes ALL26137 Tall polished aluminum valve covers are sold in pairs, with two 1-3/8" baffled breather tubes on one cover. Breathers sold separately. Alternate Description VALVE COVERS SBC ALUM...

Allstar Rear Main Seal Adapter 86-up Pan ALL26126 Billet aluminum adapter allows installation of a two piece style crankshaft seal and early (pre-1986) crankshaft into a 1986 and newer SB Chevy (pre-LS) engine. Adapters include mounting hardware...

Allstar Rear Main Seal Adapter Pre-86 Pan ALL26125 Billet aluminum adapter allows installation of a two piece style crankshaft seal and early (pre-1986) crankshaft into a 1986 and newer SB Chevy (pre-LS) engine. Adapters include mounting hardware...