Chevrolet, 3/8" Stud/1.6" Ratio, XD Rocker Arms(1)

The next design ev

The Ultra Pro Magnum™ 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. These rocker arms are so durable that they come with a lifetime guarantee against breakage. Only accept authentic “COMP” logo rocker arms to ensure quality and reliability. 

Part #1802-1* - (1) Rocker for Chevy Small Block V8 265-400 - 3/8" Stud - 1.6 Ratio

• Suitable for use with up to 1000 lbs of open spring pressure!
• Billet pushrod seat insert offers exceptional durability
• 8650 steel construction outlasts & outperforms other rockers in accuracy and strength
• Precision-sorted needle bearings better distribute the load and reduce wear for a longer service life
• Advanced FEA & CAD development improve strength & stiffness
• Engineered for use in endurance, circle track and drag race applications with improved strength and durability
• Lifetime Warranty - So strong that we guarantee the rocker bodies against breakage for life!

*Must use screw in studs and guide plates

 

olution of the Hi-Tech™ Stainless Steel Roller Rocker Arms are built to outlast and outperform in accuracy and strength. The Ultra Pro Magnum™ XD Rocker Arms are engineered from durable 8650 steel and include a machined billet pushrod seat insert for a wide range of super accurate ratios. A unique and wide ratio range to fit almost any popular application from 1.5 to 1.73 in .5 increments for Chevy and 1.6 to 1.73 for various Ford applications is available. These XD rockers are fully rebuildable and boast precision-sorted needle bearings and hardened roller tips. And, they work with most diameter springs and retainers. The new XD design utilizes advanced FEA and CAD design and development to improve strength, stiffness and MOI optimization for drag and circle track applications.

• Machined billet pushrod seat insert for wide range of rocker ratios used in popular Chevy and Ford applications
• 8650 steel construction outlasts and outperforms other rockers in accuracy and strength
• Precision-sorted needle bearings better distribute the load and reduce wear for a longer service life
• Engineered for use in endurance, circle track and drag race applications with improved strength and durability