PAC-121-16 1.270 in. OD – 0.640 in. Locating Diameter – 0.520 in. ID – 0.060 in. Thickness
$86.48
SKU: PAC-S121-16
1.270 in. OD – 0.640 in. Locating Diameter – 0.520 in. ID – 0.060 in. Thickness
Valve Spring Type
Dual
Outside Diameter
1.270 IN
First Step Diameter
0.640 IN
Second Step Diameter
0.520 IN
Material
Chrome Moly
PAC Racing Valve Spring Seats and Cups
PAC Racing valve spring seats and cups are a great way to prevent dancing springs, which would tear up your aluminum heads. High-performance racing engines place extreme pressure on the springs. These retainers are essential for use on aluminum heads. They fit the inside or outside diameter of the springs, preventing spring seat movement.