Ultra Pro Magnum XD Rockers W/ 1.6 Ratio For Chevrolet Big Block W/ 7/16" Stud

The Ultra Pro Magnumâ„¢ XD Rocker Arms are engineered from durable 8650 Steel that outlasts and outperforms other inferior knock-off and import Rockers. A unique machined billet Pushrod seat insert offers exceptional durability. These new Stud mount Rockers are fully rebuildable and use precision-sorted needle bearings and hardened Roller tips to better distribute the load and reduce wear for a longer service life. In addition, they work with most diameter springs and retainers. The XD design utilizes advanced FEA and CAD design and development to improve strength, stiffness and MOI optimization for endurance, drag and circle track Applications.

Attributes:

• Brand Name: COMP Cams
• GTIN: 00036584232575
• Amazon ASIN: N/A
• C.A.R.B. E.O. Number: N/A
• 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.
• C.A.R.B. Exemption Reason: N/A
• Engine Family: Chevrolet 396-454 c.i. 8 Cylinder (1967-1996)
• Maximum Valve Spring Open Pressure: 1000
• Rocker Arm Material: 8650 Chromemoly Steel
• Rocker Arm Ratio: 1.6
• Rocker Arm Series: Ultra Pro Magnum XD
• Rocker Stud Diameter: 7/16

Extended Information:

• Country of Origin: US
• Emissions : CARB Eligible

Packing Information:

• Quantity of Each: 1
• Package UOM: KT
• Dimension: 12.8 x 4 x 3.8 inches
• Weight: 9.8 POUNDS