Manley 1.535 Spring Cups - .570 ID R03P003XXXL The valve covers retain Holley's

The valve covers retain Holley's signature integrated angled coil mounts

We build all our seats and covers entirely in-house at our modern manufacturing facility with quality workmanship

The popular High Performance series is rated at 180

0LVehicle Applications: 1969 thru 1971 Ford Cars 7

Designed with quality and performance in mind

Manley 1.535 Spring Cups - .570 ID R03P003XXXL The valve covers retain Holley'sProduct Description: Valve Spring Locator Inside 0. 062 in Thick 1. 535 in OD 0. 570 in ID 0. 720 in Spring ID Steel Black Oxide Set of 16 Manley Performance high performance and racing engine parts have been powering winners since 1966. Since our inception in March 1966, Manley Performance Products has been at the forefront of the high performance automotive industry. Founded by gearhead Hank Manley shortly after his graduation from Brown University,