COMP Cams Rocker CS 1.7 7/16in Ultra Pro

Additional Information

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. This 1817 rocker features a 1.7 ratio for use with 7/16" stud Chevrolet 265-400 Small Block.

Part Type

Engine Rocker Arm

Product Overview

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 advanced FEA and CAD design and development to improve strength, stiffness and MOI (moment of inertia) 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
• For applications with up to 1000 lbs. open spring pressure
• Precision-sorted needle bearings and hardened roller tips better distribute the load and reduce wear
• Engineered for use in circle track and drag race applications

These additional application notes are supplied by the manufacturer and collated from multiple year ranges. Not all of these notes may apply to every year or every variant. Please contact a StreetFX agent for clarification if required.

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Product Details

Product Downloads

#	Document Type	Download
1.	Catalog

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Reference Information

Rocker Arm, Fits 7/16 in. Stud, Full Roller, Steel, 1.7 Ratio, Chevy, Small Block/GM V6, Each

Built to outlast and outperform in accuracy and strength, Ultra Pro Magnum XD roller 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 0.5 in. increments for Chevy and 1.6 to 1.73 for various Ford applications is available. These Ultra Pro Magnum 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 advanced FEA and CAD design and development to improve strength, stiffness and MOI (moment of inertia) optimization for drag and circle track applications.