Allstar Performance Crankshaft Mandrel Kit 4910906 080'' valves will require aftermarket

080'' valves will require aftermarket pistons to be notched for valve clearance

950HP Forced Carb

Adjustable hook and loop ankle strap closure

Single 3 in Tube

1964-1985 Ford Mustang

Allstar Performance Crankshaft Mandrel Kit 4910906 080'' valves will require aftermarketKit 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 stock bolt. The mandrel bolt is then connected to the mandrel not to the crankshaft to reduce engine harmonics (helps prevent loosening or breaking). Kit includes spacers, pulley guides, and bolts to work effectively with most 3 , 4 , and 5