PAC Racing Valve Spring Seats and Cups
Prevent dancing springs and protect your aluminum heads with PAC Racing valve spring seats and cups. Racing engines exert extreme pressure on the springs, making these retainers crucial. Ensure a secure fit for your springs, inside or outside diameter, with these essential components.
Part Number: PAC-S121
Locating Shoulder Type:
Inside
Inside Diameter of Inner Spring (in.):
0.640 in.
Locator Thickness (in.):
0.060 in.
Outside Diameter (in.):
1.270
Inside Diameter (in.):
0.520
Locator Material:
Chromoly
Quantity:
Sold individually.
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
