Dart BB Chevy 310cc Pro-1 Head 119cc Rack & Pinion 2.25/1.88 Bare 103582 Spring Seat Cups

Spring Seat Cups

User selectable standard or metric display (100-300F/40-150C)

This is the youth size version with a 20 degree angle and SFI certification

Before purchase please verify if you have New Body Style or Legacy (Chevy)/Limited (GMC) on 2019 Silverado/Sierra 1500 - This part is for the New Body Style

Chrono Series

Dart BB Chevy 310cc Pro-1 Head 119cc Rack & Pinion 2.25/1.88 Bare 103582 Spring Seat CupsProduct Description: Cylinder Head Pro 1 Bare 2. 250 1. 880 in Valves 310 cc Intake 121 cc Chamber Aluminum Big Block Chevy Sold Individually Since 1981, Dart Machinery has become the acknowledged leader in producing race winning components. Dart Machinery aluminum and cast iron engine blocks are designed to meet the specialized needs of racers and performance enthusiasts. Dart components are developed in house, manufactured on Dartas own CNC