Engine & Exhaust

Allstar Exhaust Shield Oval Dual Angle Exit ALL34182 Aluminum shields protect body panels from exhaust exiting thru the passenger door and provide a clean, finished look from the outside simplifying exhaust routing. Round shield I.D. is 6", commonly used...

Allstar Exhaust Shield Round Single Straight Exit ALL34181 Aluminum shields protect body panels from exhaust exiting thru the passenger door and provide a clean, finished look from the outside simplifying exhaust routing. Round shield I.D. is 6",...

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 Crankcase Evacuation System ALL34145 Reduce crankcase pressure for optimum piston ring seal, fewer oil leaks and better engine performance. System includes two of each: chrome plated push-in breathers, check valves, weld-in 3.5" long threaded...

Allstar 1:1 Water Pump Pulley ALL31085 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 WATER PUMP PULLEY Part Number ...

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...