Ultra Pro Magnum XD Rocker Set w/ 1.5 Ratio for Chevrolet SBC w/ 1/2" Stud
Machined from 8650 steel with a billet pushrod seat insert, these Ultra Pro Magnum XD rockers can handle up to 1,000 lbs of spring pressure. These 1810 rockers feature a 1.5 ratio for use with 1/2" stud Chevrolet 265-400 Small Block.
<b>The latest development in Rocker arm Technology from COMP Cams are Ultra Pro Magnum™ XD Rocker Arms built for 1/2" Studs to increase valve train stiffness and stability.</b> Designed to be used in conjunction with the COMP Cams Hi-Tech 1/2" Rocker Stud Kit, the latest versions of COMP Cams Ultra Pro Magnum XD are built to utilize 1/2" Studs to stabilize SBC valve trains. Ultra Pro Magnum™ XD Rockers are built to outlast and outperform in accuracy and strength, while maintaining all the benefits of the Ultra Pro Magnum™ version. The XD Rockers are engineered from durable 8650 Steel and include a machined billet Pushrod seat insert for a super-accurate ratio. The Rockers also boast precision-sorted needle bearings and hardened Roller tips. And since they now feature the added benefit of accepting 1/2" Studs, they are a great choice for anyone looking for more stiffness with Stud mount Rockers. These new Ultra Pro Magnum™ XD Rocker Arms will provide the ultimate in valve train stability for maximum valve motion both at the track and on the street.
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<li>1/2" Studs provide a stiffer valve train to achieve maximum valve motion in SBC engines</li>
<li>Deliver increased strength and rigidity while reducing the moment of inertia and optimizing dynamic balance</li>
<li>Ultra Pro Magnum™ XD Rockers feature a machined billet Pushrod seat insert for a super-accurate ratio</li>
</ul>
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 1.8 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 XD design utilizes advance FEA and CAD design and development to improve strength, stiffness and MOI (moment of inertia) optimization for drag and circle track applications.
- Precision-sorted needle bearings and hardened roller tips better distribute the load and reduce wear
- For applications with up to 1000 lbs. open spring pressure
- Engineered for use in circle track and drag race applications
- 8650 Steel construction outlasts and outperforms other rockers in accuracy and strength
- Machined billet pushrod seat insert for wide range of rocker ratios used in popular Chevy and Ford applications
