Ultra ARC Rocker W/ 1.72 Ratio For Ford 289-351W W/ 3/8" Stud

The Comp Cams Ultra ARC Aluminum Series Rocker Arms increase engine power, improve valvetrain stability, and enhance oiling efficiency. Their extruded design—developed using FEA analysis—creates a stronger, stiffer rocker body without adding unnecessary weight. The ARC series rocker arms feature an Arced, Recessed, Contoured design delivers an optimal strength-to-weight ratio. Backed by a Lifetime Warranty—buy them once and use them forever. Engineered for applications running up to 700 lbs of open spring pressure.

Attributes:

• Brand Name: COMP Cams
• GTIN: 00036584182689
• Amazon ASIN: B001GBMAGO
• 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: Ford 289-351W
• Maximum Valve Spring Open Pressure: 700
• Rocker Arm Material: Aluminum
• Rocker Arm Ratio: 1.72
• Rocker Arm Series: Ultra ARC Aluminum
• Rocker Stud Diameter: 3/8

Extended Information:

• Country of Origin: US
• Emissions : CARB Eligible

Packing Information:

• Quantity of Each: 1
• Package UOM: EA
• Dimension: 5.6 x 3.2 x 1.7 inches
• Weight: 2.05 POUNDS