• COMP Cams 1601-1 Ultra Pro Magnum Roller Rocker Arm with 1.52 Ratio and 3/8" Stud Diameter for Small Block Chevrolet

    The Ultra Pro Magnum Roller Rocker Arms for Chevy V8 265-400 applications take stud mount rocker performance, stability and value to a whole new level. These rocker arms feature a 3/8 inch stud diameter and 1.52 ratio. The 8650 chromemoly material and arched, web-like design deliver increased strength and rigidity while still reducing the moment of inertia and optimizing the dynamic balance. A unique black oxide exterior finish helps prevent corrosion and increases durability. Featuring oversized trunions, precision-sorted needle bearings and hardened roller tips for the ultimate in performance and dependability. Optimized retainer and valve spring clearances allow for use of most diameter springs, retainers and +.050 inch locks without clearance or fitment issues.

    • Brand: Comp Cams
    • ASIN: B0046ZG8Y2
    • UPC: 036584195740

  • COMP Cams 1602-12 Ultra Pro Magnum Roller Rocker Arm with 1.6 Ratio and 3/8" Stud Diameter for Small Block Chevrolet, (Set of 12)

    The Ultra Pro Magnum Roller Rocker Arms for Chevy V8 265-400 applications take stud mount rocker performance, stability and value to a whole new level. These rocker arms feature a 3/8 inch stud diameter and 1.52 ratio. The 8650 chromemoly material and arched, web-like design deliver increased strength and rigidity while still reducing the moment of inertia and optimizing the dynamic balance. A unique black oxide exterior finish helps prevent corrosion and increases durability. Featuring oversized trunions, precision-sorted needle bearings and hardened roller tips for the ultimate in performance and dependability. Optimized retainer and valve spring clearances allow for use of most diameter springs, retainers and +.050 inch locks without clearance or fitment issues.

    • Brand: Comp Cams
    • ASIN: B003HGPBQ2
    • UPC: 036584195818

  • Competition Cams 1620-16 Ultra Pro Magnum Roller 1.7 Ratio, 7/16" Stud Diameter Rocker Arm for Big Block Chevrolet

    The Ultra Pro Magnum Roller Rocker Arms for Chevy V8 396-454 applications not only live up to the lofty standards of the original Pro Magnums, but they also take stud mount rocker performance, stability and value to a whole new level. These rocker arms feature a 7/16" stud diameter and 1.7 ratio. The 8650 chromemoly material and arched, web-like design deliver increased strength and rigidity while still reducing the moment of inertia and optimizing the dynamic balance. A unique black oxide exterior finish helps prevent corrosion and increases durability. Featuring oversized trunions, precision-sorted needle bearings and hardened roller tips for the ultimate in performance and dependability. Optimized retainer and valve spring clearances allow for use of most diameter springs, retainers and +.050" locks without clearance or fitment issues.

    • Brand: Comp Cams
    • ASIN: B003HGQQ52
    • UPC: 036584196051

  • COMP Cams 1820-16 Ultra Pro Magnum 7/16" Stud Diameter XD Roller Rocker Arm for Big Block Chevrolet

    The next design evolution 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. These XD rockers are fully re-buildable 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.

    • Brand: Comp Cams
    • ASIN: B004NIKNZM
    • UPC: 036584232490

  • COMP Cams 1632-1 Ultra Pro Magnum Roller Rocker Arm with 1.6 Ratio and 7/16" Stud Diameter for Small Block Ford 289-302 and 351 Windsor

    The Ultra Pro Magnum Roller Rocker Arms for Small Block Ford 289-302 and 351 Windsor applications not only live up to the lofty standards of the original Pro Magnums, but they also take stud mount rocker performance, stability and value to a whole new level. These rocker arms feature a 7/16 inch stud diameter and 1.6 ratio. The 8650 chromemoly material and arched, web-like design deliver increased strength and rigidity while still reducing the moment of inertia and optimizing the dynamic balance. A unique black oxide exterior finish helps prevent corrosion and increases durability. Featuring oversized trunions, precision-sorted needle bearings and hardened roller tips for the ultimate in performance and dependability. Optimized retainer and valve spring clearances allow for use of most diameter springs, retainers and +.050 inch locks without clearance or fitment issues.

    • Brand: Comp Cams
    • ASIN: B0046ZHNAA
    • UPC: 036584196143

  • COMP Cams 1833-1 Ultra Pro Magnum XD Roller Rocker Arm with 1.7 Ratio and 3/8" Stud Diameter for Small Block Ford

    The next design evolution 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. 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.

    • Brand: Comp Cams
    • ASIN: B0066T1WYW
    • UPC: 036584232803

  • COMP Cams 1632-8 Ultra Pro Magnum Roller Rocker Arm with 1.6 Ratio and 7/16" Stud Diameter for Small Block Ford 289-302 and 351 Windsor, (Set of 8)

    The Ultra Pro Magnum Roller Rocker Arms for Small Block Ford 289-302 and 351 Windsor applications not only live up to the lofty standards of the original Pro Magnums, but they also take stud mount rocker performance, stability and value to a whole new level. These rocker arms feature a 7/16 inch stud diameter and 1.6 ratio. The 8650 chromemoly material and arched, web-like design deliver increased strength and rigidity while still reducing the moment of inertia and optimizing the dynamic balance. A unique black oxide exterior finish helps prevent corrosion and increases durability. Featuring oversized trunions, precision-sorted needle bearings and hardened roller tips for the ultimate in performance and dependability. Optimized retainer and valve spring clearances allow for use of most diameter springs, retainers and +.050 inch locks without clearance or fitment issues.

    • Brand: Comp Cams
    • ASIN: B005H89RYU
    • UPC: 036584196150

  • COMP Cams 1605-1 Ultra Pro Magnum Roller Rocker Arm with 1.6 Ratio and 7/16" Stud Diameter for Small Block Chevrolet

    The Ultra Pro Magnum Roller Rocker Arms for Chevy V8 265-400 applications take stud mount rocker performance, stability and value to a whole new level. These rocker arms feature a 7/16 inch stud diameter and 1.6 ratio. The 8650 chromemoly material and arched, web-like design deliver increased strength and rigidity while still reducing the moment of inertia and optimizing the dynamic balance. A unique black oxide exterior finish helps prevent corrosion and increases durability. Featuring oversized trunions, precision-sorted needle bearings and hardened roller tips for the ultimate in performance and dependability. Optimized retainer and valve spring clearances allow for use of most diameter springs, retainers and +.050 inch locks without clearance or fitment issues.

    • Brand: Comp Cams
    • ASIN: B0046ZHMOM
    • UPC: 036584195894

  • COMP Cams 1602-8 Ultra Pro Magnum Roller Rocker Arm with 1.6 Ratio and 3/8" Stud Diameter for Small Block Chevrolet, (Set of 8)

    The Ultra Pro Magnum Roller Rocker Arms for Chevy V8 265-400 applications take stud mount rocker performance, stability and value to a whole new level. These rocker arms feature a 3/8 inch stud diameter and 1.6 ratio. The 8650 chromemoly material and arched, web-like design deliver increased strength and rigidity while still reducing the moment of inertia and optimizing the dynamic balance. A unique black oxide exterior finish helps prevent corrosion and increases durability. Featuring oversized trunions, precision-sorted needle bearings and hardened roller tips for the ultimate in performance and dependability. Optimized retainer and valve spring clearances allow for use of most diameter springs, retainers and +.050 inch locks without clearance or fitment issues.

    • Brand: Comp Cams
    • ASIN: B005H89R7C
    • UPC: 036584195801