Comp Cams Dual Valve Spring: 1.625" O.D. Outer, .769" I.D. Inner Lift Kits Test-fit before final tightening to

Test-fit before final tightening to confirm seated position

Heated Defrost Function Yes

function applies only to vehicles originally equipped with this feature

The casters roll on concrete

Comp Cams Dual Valve Spring: 1.625" O.D. Outer, .769" I.D. Inner Lift Kits Test-fit before final tightening toDual Valve Springs from COMP Cams are manufactured from H11 material and subject to extensive quality control testing to deliver a valve spring assembly with superior strength, durability and valve train stability, no matter the application. The dual spring design creates a stronger valve spring that can easily handle the increased lift found in extreme stress applications. COMP Cams Dual Valve Springs exceed the expectations of todays engine builders