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$41.99
COMP Cams 1621R-1 Ultra Pro Magnum Rocker Arm, Full roller, Each
COMP Cams 1621R-1 Ultra Pro Magnum Rocker Arm, Full roller, Each

COMP Cams 1621R-1 Ultra Pro Magnum Rocker Arm, Full roller, Each

383 Chrysler Big Block V8, 400 Chrysler Big Block V8, 302 Chevy Small Block V8, Chromoly, Black

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COMP Cams 1621R-1 Ultra Pro Magnum Rocker Arm, Full roller, Each
COMP Cams 1621R-1 Ultra Pro Magnum Rocker Arm, Full roller, Each
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We estimate this item will ship on or before August 20th.
Part # 2821621R1
$41.99
each
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Important Messages:

  • This item ships directly from the manufacturer. It may take an additional 3 business days for COMP Cams to ship this item.
  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.

Details

Rocker Arm Style:
Full Roller
Rocker Arm Ratio:
1.5
Rocker Arm Nut Style:
Self-Locking
Material Type:
Chromoly
Finish:
Black Oxide
MFG. Part #:
1621R-1
Sold in Quantity:
Each
Spring Diameter:
1.565"
Rocker Arm Body Style:
Standard
Rocker Arm Mounting Style:
Shaft
Self-Aligning:
No
Shims Included:
No
GTIN Code:
036584222682
Color:
Black

Info

COMP Cams Ultra Pro Magnum Shaft Mount Right 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

Application

1967-68 Chevy 302
1961-78 Chrysler 383-400
1959-78 Dodge 383-400
1959-78 Dodge 383-400
1960-78 Plymouth 383-400
Some parts are not legal for use in California or other states with similar laws/regulations

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  • What happens when you advance or retard a camshaft? In this tech article, we explain the pros and cons of installing your cam straight up, advancing or retarding.
  • Learn the basics to engine performance like; how does a cam work? What is Valve lift, duration, lobe separation angle, and cam profiles? Afterwords selecting the right camshaft will be less of a guessing game!
  • To get the longest life and most performance out of your engine, it's important to have the valve lash set correctly. Here we show you how to set valve lash on a small block Chevy using a hydraulic lift camshaft.
  • Once you're ready to start selecting valve train components, we have some useful tips and tools that should boost your performance. We discuss proper valve-springs, pushrod length, and rocker arm ratios.

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