COMP Cams Ultra Pro Magnum Rocker Arm w/ 1.7 Ratio for Chevrolet 396-454 w/ 1/2" Stud 1625-1

Specifications:

• BrandCOMP Cams
• Part Number1625-1
• GTIN00036584259404
• Rocker Arm Ratio1.7
• Rocker Arm Material8650 Chromemoly Steel
• 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 Federally Certified Vehicles Manufactured Before 1967?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?No
• C.a.r.b. Exempt For Racing And Off-road Only Vehicles?Yes, But Must Be A Race/competition Only Vehicle.
• Engine FamilyChevrolet 396-454 C.i. 8 Cylinder (1967-1996)
• Maximum Valve Spring Open Pressure850
• Rocker Arm SeriesUltra Pro Magnum
• Rocker Stud Diameter1/2