COMP Cams 1.230 Diameter Outer Valve Springs w/ Damper - Set of 16 R10003 found on mid-size GM Metric

found on mid-size GM Metric frames

WEC and other endurance challenge series

Thermostat Housing

Patented Multicore design for maximum power

1-3/4" hose

COMP Cams 1.230 Diameter Outer Valve Springs w/ Damper - Set of 16 R10003 found on mid-size GM MetricSingle Outer Valve Springs from COMP Cams allow you to build the perfect spring assembly for your application. The valve spring creation process is far more involved than most people realize. Selecting the right metal stock and creating the best design is not done by chance. COMP Cams has developed a process that creates the highest quality valve spring available. The result is a product that meets and exceeds the expectations of today's engine