Comp Cams 1.300" GM LS1 DUAL VALVE SPRINGS Lightweight The open-face layout and liner

The open-face layout and liner shape accommodate most prescription frames comfortably

Pick up a header gasket set and stainless fasteners (M10 bolts typically) before install to avoid air leaks

Ship out process may delay

You'll lose coolant when you disconnect hoses and remove the old unit

leak-free header installation

Comp Cams 1.300" GM LS1 DUAL VALVE SPRINGS Lightweight The open-face layout and linerDual Valve Springs: 1. 300" O. D. Outer, . 655" I. D. Inner Dual Valve Springs from COMP Cams are manufactured from Super CleanT wire and subject to extensive quality control testing to deliver a valve spring assembly with superior strength, durability and valve train stability, no matter what the application. The dual spring design creates a stronger valve spring that can easily handle the increased lift found in extreme stress applications. COMP