PAC Racing Valve Spring Shim - 0.020 in Thick - 1.500 in OD - 0.645 in ID - Set of 16 Foot Pedal Push To Talk (PTT) Large Diameter Internal Tubes For

Large Diameter Internal Tubes For Maximum Flow

Among the smallest

Made For Street/Strip Use

Carb recommendations: Edelbrock Thunder Series AVS or Performer Series 650-800 cfm

NHRA Compliant

PAC Racing Valve Spring Shim - 0.020 in Thick - 1.500 in OD - 0.645 in ID - Set of 16 Foot Pedal Push To Talk (PTT) Large Diameter Internal Tubes ForProduct Description: Valve Spring Shim 0. 020 in Thick 1. 500 in OD 0. 645 in ID Steel Set of 16 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. We believe