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COMP Cams Rocker FS 1.6 3/8in Ultra Pro

SKU: CCA1831-1

Rocker Arms

CCA Rocker Arms...

COMP Cams Rocker FS 1.6 3/8in Ultra Pro

SKU: CCA1831-1

Rocker Arms

CCA Rocker Arms...

Sale ends in Calculating...

A$121.69 A$190.60
LAST ONE! Est Ship 3-5 days. LAST ONE! This is the last unit at our distribution centre. Contact us if you need more. The ETA is the approximate time required to prepare your order for dispatch.
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Description

The Ultra Pro Magnumâ„¢ XD Rocker Arms are engineered from durable 8650 Steel that outlasts and outperforms other inferior knock-off and import Rockers. A unique machined billet Pushrod seat insert offers exceptional durability. These new Stud mount Rockers are fully rebuildable and use precision-sorted needle bearings and hardened Roller tips to better distribute the load and reduce wear for a longer service life. In addition, 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 optimization for endurance, drag and circle track Applications.

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

Product Details

Amazon ASIN:B0066T1REC
C.A.R.B. E.O. Number:N/A
C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?:Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?:Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967?:Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for On-Road Vehicles?:No
C.A.R.B. Exempt for Racing and Off-Road Only Vehicles?:Yes, but must be a race/competition only vehicle.
C.A.R.B. Exemption Reason:N/A
California Proposition 65:WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Description:Ultra Pro Magnum XD Rocker w/ 1.6 Ratio for Ford 289, 302, 351W w/ 3/8" Stud
Engine Family:Ford 289-351W
Maximum Valve Spring Open Pressure:1000
Part Number:cca1831-1
Ratio:1.6
Rocker Arm Material:8650 Chromemoly Steel
Rocker Arm Ratio:1.6
Rocker Arm Series:Ultra Pro Magnum XD
Rocker Stud Diameter:3/8
Stud Diameter:3/8"
Title:Ultra Pro Magnum XD Rocker w/ 1.6 Ratio for Ford 289, 302, 351W w/ 3/8" Stud

Part Type

Engine Rocker Arm

Data: v4.2 - Upd: 2026-10-15 16:17:22

Specifications

Product Attributes - Brand
COMP Cams
Product Attributes - Manufacturer's Part Number
1831-1
Product Attributes - Part Type
Rocker Arms
Product Attributes - Product Line
COMP Cams Ultra Pro Magnum XD Roller Rocker Arms
Product Attributes - UPC
036584232735
Product Attributes - Rocker Arm Mounting Style
Stud
Product Attributes - Self-Aligning
No
Product Attributes - Rocker Arm Ratio
1.6
Product Attributes - Stud Size
3/8 in.
Product Attributes - Rocker Arm Style
Full roller
Product Attributes - Shims Included
No
Product Attributes - Rocker Arm Material
Chromoly
Product Attributes - Rocker Arm Body Style
Standard
Product Attributes - Rocker Arm Fasteners Included
Yes
Product Attributes - Rocker Arm Nut Style
Polylock
Product Attributes - Rocker Arm Finish
Black oxide
Product Attributes - Quantity
Sold individually.

Reference Information

Brand Name/s Comp Cams
StreetFX SKU cca1831-1
SFX Item ID 4119225
Supplier Item Code 4119225
Manufacturer SKU 1831-1
Manufacturer UPC 36584232735
Alternative References 351w, f100, f150, 3/8in

Compatibility

Application Data
  • MakeFORD
    Beginning Year1963
    Ending Year1968
    Engine TypeV8
    Engine FamilyFord small block Windsor
    Engine Size4.7L/289
  • MakeFORD
    Beginning Year1968
    Ending Year2001
    Engine TypeV8
    Engine FamilyFord small block Windsor
    Engine Size5.0L/302
  • MakeFORD
    Beginning Year1969
    Ending Year1997
    Engine TypeV8
    Engine FamilyFord small block Windsor
    Engine Size5.8L/351
  • MakeLINCOLN
    Beginning Year1977
    Ending Year1992
    Engine TypeV8
    Engine FamilyFord small block Windsor
    Engine Size5.0L/302
  • MakeMERCURY
    Beginning Year1964
    Ending Year1968
    Engine TypeV8
    Engine FamilyFord small block Windsor
    Engine Size4.7L/289
  • MakeMERCURY
    Beginning Year1968
    Ending Year1993
    Engine TypeV8
    Engine FamilyFord small block Windsor
    Engine Size5.0L/302
  • MakeMERCURY
    Beginning Year1969
    Ending Year1989
    Engine TypeV8
    Engine FamilyFord small block Windsor
    Engine Size5.8L/351

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