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$22.99
COMP Cams 1631-1 Ultra Pro Magnum Rocker Arm, Full Roller, 3/8, Each
COMP Cams 1631-1 Ultra Pro Magnum Rocker Arm, Full Roller, 3/8, Each

COMP Cams 1631-1 Ultra Pro Magnum Rocker Arm, Full Roller, 3/8, Each

289 Ford Small Block V8, 302 Ford Small Block V8, 351W Ford Small Block V8, 0.375" Stud Size

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COMP Cams 1631-1 Ultra Pro Magnum Rocker Arm, Full Roller, 3/8, Each
COMP Cams 1631-1 Ultra Pro Magnum Rocker Arm, Full Roller, 3/8, Each
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We estimate this item will ship on or before December 19th.
Part # 28216311
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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:
1.6
Stud Size:
0.375"
Rocker Arm Nut Style:
Polylock
Material Type:
Chromoly
Finish:
Black Oxide
MFG. Part #:
1631-1
Sold in Quantity:
Each
Rocker Arm Body Style:
Standard
Rocker Arm Mounting Style:
Stud
Self-Aligning:
No
Shims Included:
No
GTIN Code:
036584196105
Color:
Black

Info

COMP Cams Ultra Pro Magnum Roller Rocker Arm, 1.6 Ratio, 3/8" Stud Diameter, Small Block Ford 289-302 and 351 Windsor, Single Piece.

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 3/8" 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" locks without clearance or fitment issues.

  • 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

1977-80 Lincoln 302
1964-86 Mercury 289-351
1963-95 Ford 289-351
Some parts are not legal for use in California or other states with similar laws/regulations

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  • 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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