COMP Cams 1621L-1 Ultra Pro Magnum Rocker Arm, Full roller, Each
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InfoCOMP Cams Ultra Pro Magnum Shaft Mount Left Rocker Arm, 1.5 Ratio for Big Block Chrysler, Single Piece.
Shaft Mount Ultra Pro Magnum Roller Rocker Arms for Chrysler B/RB V8 383-440 applications are made from SAE 8620 chromemoly steel. They are heat treated for maximum strength and stiffness to stand up to the demands of high performance applications. These shaft mount rockers contain proprietary bushing inserts and a unique oiling system that lubricates all the critical parts for a long lasting service life. Designed to handle roller lobes and higher spring rates, these Shaft Mount Ultra Pro Magnum Rocker Arms include a special adjuster that allows the use of conventional ball end pushrods. This is a complete kit; all bolts, shafts and spacers are included
- Investment cast 8650 chromemoly body and arched, weblike design deliver increased strength and rigidity while reducing moment of inertia
- Withstand valve spring pressures up to 850 lbs.
- Unique black oxide exterior finish helps prevent corrosion, thus increasing durability
- Increased retainer and valve spring clearances allow use of large diameter springs, retainers and +.050" locks without clearance or fitment issues
- Feature oversized trunnions, precision-sorted needle bearings and hardened roller tips
Application1961-78 Chrysler 383-440
1961-78 Dodge 383-440
1961-78 Plymouth 383-440
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