PAC Racing Shim Kit - 1.500 Dia. .570 ID (64pcs) MagnaFuel the best aftermarket investment you

the best aftermarket investment you can make

125" Throttle Plates

Carburized 8620 shaft with ball bearing input and a 3/8 hex drive male input and female output

Standard Height

16LM Black Widow Fuel Forward Dirt Late Model/Modified

PAC Racing Shim Kit - 1.500 Dia. .570 ID (64pcs) MagnaFuel the best aftermarket investment youProduct Description: Valve Spring Shim 0. 015 0. 020 0. 030 0. 050 in Thick 1. 500 in OD 0. 570 in ID Steel PAC Racing Springs is part of the Race Winning Brands Family. With more than 100 years of spring manufacturing experience. We understand the demands of racing and provide a commitment to all of our customers to provide the best service possible. We continue to expand products and offer expanded onsite technical services at various racing events.