Seat pressure: 105 lbs. @ 1.7 inches, open pressure: 270 lbs. @ 1.25 inch. O.D.: 1.25 inch inner diameter. :0.880 inch. Single valve spring with damper. Maximum lift approximately 0.490 inches at recommended installation height.

With an outside diameter of 1.25" and a recommended installed height of 1.7", this spring is ideal for use on Chevrolet Small Blocks with unmodified factory cylinder heads. This spring has a seat pressure of 105 pounds, a maximum lift of 0.45 inches, and a spring rate of 350 pounds, making it ideal for mild flat-tappet camshafts. 981 springs are compatible with our 750-16 retainers and 4753 shims.


Manufacturer: ‎COMP Cams
Brand: ‎Comp Cams
Model Name: ‎Set of 16 single springs, 1.25" outside diameter, 1.25" inside diameter, 1.7" mounting height.
Product size: 25.65 x 7.37 x 5.59 cm; 1.28 kg
Product model number: 981-16
Discontinued by manufacturer: No
Exterior condition: Machined
Original product number: 981-16
Product dimensions: Depth x Width x Height: 25.7 x 7.4 x 5.6 cm
Product weight: 1.28 Kilograms