COMP Cams - 4657-16
Hi-Tech Polylock Set for 1/2" Stud Ultra Pro Magnum Rockers
The best polylock for high end race applications, these Hi-Tech polylocks are designed for 1/2" Ultra Pro Magnum and Ultra Pro Magnum XD rockers.
Amazon ASIN: B00CWZVVG8
C.A.R.B. Exempt for Racing and Off-Road Only Vehicles?: Yes, but must be a race/competition only vehicle.
C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?: Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?: Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967?: Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for On-Road Vehicles?: Yes
C.A.R.B. Exemption Reason: No impact on pollution output of vehicle.
C.A.R.B. E.O. Number: N/A
Adjusting Nut Height: 1
Rocker Arm Adjusting Nut Series: Hi-Tech
Stud Diameter: 1/2
