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COMP Cams Rocker Arm GM LS1 1.8 3/8 Ultra

SKU: CCA1675-1

Rocker Arms

CCA Rocker Arms

COMP Cams Rocker Arm GM LS1 1.8 3/8 Ultra

SKU: CCA1675-1

Rocker Arms

CCA Rocker Arms

A$115.39
Limited Availability from MFR Limited stock available from the manufacturer's distribution centre. The dispatch timeframe shown is an estimate based on historical orders of this part. This item is not held in our own warehouse, and availability and release timing may vary depending on manufacturer stock movements and processing at the time of ordering.
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Description

For LS1/LS2/LS6/4.8L, 5.3L, and Pre '07 6.0L Truck Engines - Cathedral Port Head LS ApplicationsSingle Stud Mount Rocker - Includes Poly Lock - Requires 3/8" Studs &

Product Overview

The Ultra Pro Magnum Roller Rocker Arms not only live up to the lofty standards of the original Pro Magnum Rockers, but they also take stud mount rocker performance, stability and value to a whole new level. The modern arched, web-like design delivers increased strength and rigidity while still reducing the moment of inertia and optimizing the dynamic balance. * 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

Product Details

Amazon ASIN:B0066SWBEI
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 1.8 Ratio Rocker Arm for GM LS1/LS6 w/ 3/8" Stud
Engine Family:LS1/LS2/LS6
Maximum Valve Spring Open Pressure:850
Part Number:cca1675-1
Ratio:1.8
Rocker Arm Material:8650 Chromemoly Steel
Rocker Arm Ratio:1.8
Rocker Arm Series:Ultra Pro Magnum
Rocker Stud Diameter:3/8
Stud Diameter:3/8"
Title:Ultra Pro Magnum 1.8 Ratio Rocker Arm for GM LS1/LS6 w/ 3/8" Stud

Part Type

Engine Rocker Arm

Data: v4.2 - Upd: 2026-10-12 19:10:26

Specifications

Product Attributes - Brand
COMP Cams
Product Attributes - Manufacturer's Part Number
1675-1
Product Attributes - Part Type
Rocker Arms
Product Attributes - Product Line
COMP Cams Ultra Pro Magnum Rocker Arms
Product Attributes - UPC
036584196266
Product Attributes - Rocker Arm Mounting Style
Stud
Product Attributes - Self-Aligning
No
Product Attributes - Rocker Arm Ratio
1.8
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 anodized
Product Attributes - Quantity
Sold individually.

Reference Information

Brand Name/s Comp Cams
StreetFX SKU cca1675-1
SFX Item ID 4119084
Supplier Item Code 4119084
Manufacturer SKU 1675-1
Manufacturer UPC 36584196266
Alternative References ls1, ls2, ls3, ls4, ls6, ls7

Compatibility

Application Data
  • MakeGMC
    ModelYUKON XL 1500
    SubmodelBASE
    Beginning Year2000
    Ending Year2006
    Engine TypeV8
    Liter6.0
    CID364
    CC5967
    Engine FamilyGM Gas/Electric hybrid V8
    Engine Size6.0L/364
    Engine VIN CodeZ
  • MakeGMC
    ModelYUKON XL 1500
    SubmodelSLT
    Beginning Year2019
    Ending Year2005
    Engine TypeV8
    Liter6.0
    CID364
    CC5967
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.0L/364
    Engine VIN CodeB
  • MakeGMC
    ModelYUKON XL 1500
    SubmodelSLT
    Beginning Year2011
    Ending Year2019
    Engine TypeV8
    Liter6.0
    CID364
    CC5967
    Engine FamilyGM Gas/Electric hybrid V8
    Engine Size6.0L/364
    Engine VIN CodeJ
  • MakeGMC
    ModelYUKON XL 1500
    SubmodelSLT
    Beginning Year2008
    Ending Year2009
    Engine TypeV8
    Liter6.0
    CID364
    CC5967
    Engine FamilyGM Gas/Electric hybrid V8
    Engine Size6.0L/364
    Engine VIN Code5
  • MakeGMC
    ModelYUKON XL 1500
    SubmodelSLT
    Beginning Year2012
    Ending Year2014
    Engine TypeV8
    Liter4.8
    CID294
    CC5967
    Engine FamilyGM Gas/Electric hybrid V8
    Engine Size4.8L/294
    Engine VIN CodeJ
  • MakeGMC
    ModelYUKON XL 1500
    SubmodelSLT
    Beginning Year2007
    Ending Year2006
    Engine TypeV8
    Liter6.0
    CID364
    CC5967
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.0L/364
    Engine VIN CodeZ
  • MakeGMC
    ModelYUKON XL 2500
    SubmodelSL
    Beginning Year2006
    Ending Year2007
    Engine TypeV8
    Liter4.8
    CID294
    CC5967
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size4.8L/294
    Engine VIN CodeZ
  • MakeGMC
    ModelYUKON XL 2500
    SubmodelSLT
    Beginning Year2000
    Ending Year2007
    Engine TypeV8
    Liter5.3
    CID325
    CC5328
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size5.3L/325
    Engine VIN CodeG
  • MakeHUMMER
    ModelH2
    SubmodelSLE
    Beginning Year2004
    Ending Year2004
    Engine TypeV8
    Liter4.8
    CID294
    CC5328
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size4.8L/294
    Engine VIN CodeU
  • MakeHUMMER
    ModelH2
    SubmodelSLE
    Beginning Year2019
    Ending Year2007
    Engine TypeV8
    Liter4.8
    CID294
    CC5328
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size4.8L/294
    Engine VIN CodeU
  • MakeHUMMER
    Beginning Year2008
    Ending Year2014
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.0L/364
    ModelH3
    SubmodelALPHA
    Liter6.0
    CID364
    CC5967
    Engine VIN CodeL
  • MakeHUMMER
    Beginning Year2009
    Ending Year2010
    Engine TypeV8
    Engine FamilyGM Gas/Electric hybrid V8
    Engine Size4.8L/294
    ModelH3
    SubmodelALPHA
    Liter4.8
    CID294
    CC5967
    Engine VIN CodeP
  • MakeHUMMER
    ModelH3
    SubmodelCHAMPIONSHIP SERIES
    Beginning Year2000
    Ending Year2000
    Engine TypeV8
    Liter6.0
    CID364
    CC5967
    Engine FamilyGM Gas/Electric hybrid V8
    Engine Size6.0L/364
    Engine VIN CodeF
  • MakeHUMMER
    ModelH3T
    SubmodelALPHA
    Beginning Year2009
    Ending Year2000
    Engine TypeV8
    Liter4.8
    CID294
    CC5967
    Engine FamilyGM Gas/Electric hybrid V8
    Engine Size4.8L/294
    Engine VIN CodeL
  • MakeHUMMER
    ModelH3T
    SubmodelALPHA
    Beginning Year2018
    Ending Year2010
    Engine TypeV8
    Liter6.0
    CID364
    CC5967
    Engine FamilyGM Gas/Electric hybrid V8
    Engine Size6.0L/364
    Engine VIN CodeP
  • MakeISUZU
    ModelASCENDER
    SubmodelWT
    Beginning Year2003
    Ending Year2003
    Engine TypeV8
    Liter4.8
    CID294
    CC5967
    Engine FamilyGM Gas/Electric hybrid V8
    Engine Size4.8L/294
    Engine VIN CodeG
  • MakeISUZU
    ModelASCENDER
    SubmodelLIMITED
    Beginning Year2003
    Ending Year2004
    Engine TypeV8
    Liter4.8
    CID294
    CC5967
    Engine FamilyGM Gas/Electric hybrid V8
    Engine Size4.8L/294
    Engine VIN CodeP
  • MakeISUZU
    ModelASCENDER
    SubmodelLIMITED
    Beginning Year2006
    Ending Year2005
    Engine TypeV8
    Liter6.0
    CID364
    CC5967
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.0L/364
    Engine VIN CodeF
  • MakeISUZU
    ModelASCENDER
    SubmodelDENALI
    Beginning Year2011
    Ending Year2011
    Engine TypeV8
    Liter6.0
    CID364
    CC5967
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.0L/364
    Engine VIN CodeG
  • MakeISUZU
    ModelASCENDER
    SubmodelLS
    Beginning Year2000
    Ending Year2016
    Engine TypeV8
    Liter6.0
    CID364
    CC5967
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.0L/364
    Engine VIN Code0
  • MakeISUZU
    ModelASCENDER
    SubmodelS
    Beginning Year2005
    Ending Year2005
    Engine TypeV8
    Liter6.0
    CID364
    CC5967
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.0L/364
    Engine VIN CodeM
  • MakePONTIAC
    ModelGRAND PRIX
    SubmodelGXP
    Beginning Year2016
    Ending Year2008
    Engine TypeV8
    Liter4.8
    CID294
    CC5967
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size4.8L/294
    Engine VIN CodeC
  • MakeSAAB
    Model9-7X
    Submodel5.3I
    Beginning Year2006
    Ending Year2009
    Engine TypeV8
    Liter6.0
    CID364
    CC5967
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.0L/364
    Engine VIN CodeM
  • MakeSAAB
    Model9-7X
    SubmodelARC
    Beginning Year2012
    Ending Year2014
    Engine TypeV8
    Liter6.0
    CID364
    CC5967
    Engine FamilyGM Gas/Electric hybrid V8
    Engine Size6.0L/364
    Engine VIN Code0
  • MakeGMC
    ModelYUKON XL 1500
    SubmodelSLE
    Beginning Year2016
    Ending Year2013
    Engine TypeV8
    Liter4.8
    CID294
    CC5967
    Engine FamilyGM Gas/Electric hybrid V8
    Engine Size4.8L/294
    Engine VIN Code7

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