Engine & Exhaust

Allstar Single Wire Harness ALL34232 Eliminate the need to manually uncap the exhaust. Bolt-on aluminum exhaust cut out is 3" in diameter and bolts to most adapter flange. Sold each. IMPORTANT! ALL34232 or ALL34233 harness (sold separately) is required...

Allstar Exhaust Hanger ALL34220 Hanger swivels horizontally and vertically to simplify mounting in any position. Bolt or weld to chassis to support additional weight of mufflers, turndowns, etc. Steel strapping is 1/8" thick. Alternate Description...

Allstar Exhaust Block Off Plates SBC Std 1pc Aluminum ALL34212 Aluminum block off plates seal standard and spread port SB Chevy exhaust ports during engine storage or repairs. Plates protect against moisture, dust and dirt. Alternate Description ...

Allstar 18mm O2 Sensor Bung Angled ALL34152 Hard-to-find O2 sensor fittings work in a variety of uses. Alternate Description 18MM O2 SENSOR BUNG ANGLED Part Number ALL34152 Vendor Part Number ALL34152 UPC Code 848238019247 ...

Allstar 18mm O2 Sensor Plug ALL34150 Hard-to-find O2 sensor fittings work in a variety of uses. Alternate Description 18MM O2 SENSOR PLUG Part Number ALL34150 Vendor Part Number ALL34150 UPC Code 848238019230 Package Weight...

Allstar Check Valve Only for Crankcase Evac Kit ALL34146 Alternate Description CHECK VALVE ONLY FOR CRANKCASE EVAC KIT Part Number ALL34146 Vendor Part Number ALL34146 UPC Code 848238072693 Package Weight 0.45 lbs 0...

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 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 LS Coil Mounting Bracket Black Steel Pair ALL26212 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 SBC Steel Raw w/Tubes ALL26143 Steel small block Chevy valve covers are an excellent alternative to more expensive and heavier aluminum valve covers. Sold in pairs, one cover is solid without holes and one cover includes two fully...