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COMP Cams Rocker Arms GM LS3 1.8 Bolt D

SKU: CCA1678-16

Rocker Arms

CCA Rocker Arm Kits...

COMP Cams Rocker Arms GM LS3 1.8 Bolt D

SKU: CCA1678-16

Rocker Arms

CCA Rocker Arm Kits...

A$1,122.69
Available from MFR. This item is available from the manufacturer's distribution centre. The dispatch timeframe shown is an estimate based on historical order processing and release times for this part. This item is not held in our own warehouse, and actual dispatch timing may vary depending on manufacturer workload and logistics at the time of ordering.
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Description

New LS-Specific Ultra Pro Magnumâ„¢ Rocker Arms From COMP Cams Increase Ratio And Stiffness Over Stock Rockers, While Also Increasing Lift without The Need To Swap Cams. As LS engines continue to grow in popularity, COMP Cams has expanded its line of Rocker arms to build components specific to LS Applications. For LS3/L99/L76 - Rectangle Port Head LS Applications Full Set Of 16 Bolt Down Rockers - Includes Bolts 1.8:1 Ratio

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:B00N6LMJ18
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 Set for Pedestal Mount GM LS3
Engine Family:LS3 (Factory Offset)
Maximum Valve Spring Open Pressure:850
Part Number:cca1678-16
Ratio:1.8
Rocker Arm Material:8650 Chromemoly Steel
Rocker Arm Ratio:1.8
Rocker Arm Series:Ultra Pro Magnum
Rocker Stud Diameter:Pedestal Mount
Stud Diameter:Pedestal Mount
Title:Ultra Pro Magnum 1.8 Ratio Rocker Arm Set for Pedestal Mount GM LS3

Additional Information

6.2L LS3/L99/L76

Part Type

Engine Rocker Arm Kit

Data: v4.2 - Upd: 2026-10-15 10:06:31

Specifications

Product Attributes - Brand
COMP Cams
Product Attributes - Manufacturer's Part Number
1678-16
Product Attributes - Part Type
Rocker Arms
Product Attributes - Product Line
COMP Cams Ultra Pro Magnum Rocker Arms
Product Attributes - UPC
036584240686
Product Attributes - Rocker Arm Mounting Style
Pedestal
Product Attributes - Self-Aligning
No
Product Attributes - Rocker Arm Ratio
1.8
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 as a set of 16.
Product Attributes - Notes
Fits GM LS3/L99/L76 applications using rectangle port cylinder heads.

Reference Information

Brand Name/s Comp Cams
StreetFX SKU cca1678-16
SFX Item ID 4119096
Supplier Item Code 4119096
Manufacturer SKU 1678-16
Manufacturer UPC 36584240686
Alternative References ls1, ls2, ls3, ls4, ls6, ls7

Compatibility

Application Data
  • MakeCADILLAC
    ModelCTS
    SubmodelV
    Beginning Year2009
    Ending Year2014
    Engine TypeV8
    Liter6.2
    CID376
    CC6162
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.2L/376
    Engine VIN CodeP
  • MakeCADILLAC
    ModelCTS
    SubmodelV
    Beginning Year2015
    Ending Year2015
    Engine TypeV8
    Liter6.2
    CID376
    CC6162
    Engine FamilyChevy small block Gen V
    Engine Size6.2L/376
    Engine VIN CodeP
  • MakeCADILLAC
    ModelCTS
    SubmodelV BLACK DIAMOND
    Beginning Year2012
    Ending Year2012
    Engine TypeV8
    Liter6.2
    CID376
    CC6162
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.2L/376
    Engine VIN CodeP
  • MakeCADILLAC
    ModelCTS
    SubmodelV LUXURY
    Beginning Year2013
    Ending Year2014
    Engine TypeV8
    Liter6.2
    CID376
    CC6162
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.2L/376
    Engine VIN CodeP
  • MakeCADILLAC
    ModelCTS
    SubmodelV PREMIUM BLACK DIAMOND
    Beginning Year2013
    Ending Year2014
    Engine TypeV8
    Liter6.2
    CID376
    CC6162
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.2L/376
    Engine VIN CodeP
  • MakeCADILLAC
    ModelESCALADE
    SubmodelBASE
    Beginning Year2007
    Ending Year2008
    Engine TypeV8
    Liter6.2
    CID376
    CC6162
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.2L/376
    Engine VIN Code8
  • MakeCADILLAC
    ModelESCALADE
    SubmodelBASE
    Beginning Year2009
    Ending Year2009
    Engine TypeV8
    Liter6.2
    CID376
    CC6162
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.2L/376
    Engine VIN Code2
  • MakeCADILLAC
    ModelESCALADE
    SubmodelBASE
    Beginning Year2010
    Ending Year2014
    Engine TypeV8
    Liter6.2
    CID376
    CC6162
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.2L/376
    Engine VIN CodeF
  • MakeCADILLAC
    ModelESCALADE ESV
    SubmodelBASE
    Beginning Year2007
    Ending Year2008
    Engine TypeV8
    Liter6.2
    CID376
    CC6162
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.2L/376
    Engine VIN Code8
  • MakeCADILLAC
    ModelESCALADE ESV
    SubmodelBASE
    Beginning Year2009
    Ending Year2009
    Engine TypeV8
    Liter6.2
    CID376
    CC6162
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.2L/376
    Engine VIN Code2
  • MakeCADILLAC
    ModelESCALADE ESV
    SubmodelBASE
    Beginning Year2010
    Ending Year2014
    Engine TypeV8
    Liter6.2
    CID376
    CC6162
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.2L/376
    Engine VIN CodeF
  • MakeCADILLAC
    ModelESCALADE ESV
    SubmodelLUXURY
    Beginning Year2011
    Ending Year2014
    Engine TypeV8
    Liter6.2
    CID376
    CC6162
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.2L/376
    Engine VIN CodeF
  • MakeCADILLAC
    ModelESCALADE ESV
    SubmodelPLATINUM
    Beginning Year2008
    Ending Year2008
    Engine TypeV8
    Liter6.2
    CID376
    CC6162
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.2L/376
    Engine VIN Code8
  • MakeCADILLAC
    ModelESCALADE ESV
    SubmodelPLATINUM
    Beginning Year2009
    Ending Year2009
    Engine TypeV8
    Liter6.2
    CID376
    CC6162
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.2L/376
    Engine VIN Code2
  • MakeCADILLAC
    ModelESCALADE ESV
    SubmodelPLATINUM
    Beginning Year2010
    Ending Year2014
    Engine TypeV8
    Liter6.2
    CID376
    CC6162
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.2L/376
    Engine VIN CodeF
  • MakeCADILLAC
    ModelESCALADE ESV
    SubmodelPREMIUM
    Beginning Year2011
    Ending Year2014
    Engine TypeV8
    Liter6.2
    CID376
    CC6162
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.2L/376
    Engine VIN CodeF
  • MakeCADILLAC
    ModelESCALADE EXT
    SubmodelBASE
    Beginning Year2007
    Ending Year2008
    Engine TypeV8
    Liter6.2
    CID376
    CC6162
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.2L/376
    Engine VIN Code8
  • MakeCADILLAC
    ModelESCALADE EXT
    SubmodelBASE
    Beginning Year2009
    Ending Year2009
    Engine TypeV8
    Liter6.2
    CID376
    CC6162
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.2L/376
    Engine VIN Code2
  • MakeCADILLAC
    ModelESCALADE EXT
    SubmodelBASE
    Beginning Year2010
    Ending Year2013
    Engine TypeV8
    Liter6.2
    CID376
    CC6162
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.2L/376
    Engine VIN CodeF
  • MakeCADILLAC
    ModelESCALADE EXT
    SubmodelLUXURY
    Beginning Year2011
    Ending Year2013
    Engine TypeV8
    Liter6.2
    CID376
    CC6162
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.2L/376
    Engine VIN CodeF
  • MakeCADILLAC
    ModelESCALADE EXT
    SubmodelPREMIUM
    Beginning Year2011
    Ending Year2013
    Engine TypeV8
    Liter6.2
    CID376
    CC6162
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.2L/376
    Engine VIN CodeF
  • MakeCADILLAC
    ModelESCALADE
    SubmodelLUXURY
    Beginning Year2011
    Ending Year2014
    Engine TypeV8
    Liter6.2
    CID376
    CC6162
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.2L/376
    Engine VIN CodeF
  • MakeCADILLAC
    ModelESCALADE
    SubmodelPLATINUM
    Beginning Year2008
    Ending Year2008
    Engine TypeV8
    Liter6.2
    CID376
    CC6162
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.2L/376
    Engine VIN Code8
  • MakeCADILLAC
    ModelESCALADE
    SubmodelPLATINUM
    Beginning Year2009
    Ending Year2009
    Engine TypeV8
    Liter6.2
    CID376
    CC6162
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.2L/376
    Engine VIN Code2
  • MakeCADILLAC
    ModelESCALADE
    SubmodelPLATINUM
    Beginning Year2010
    Ending Year2014
    Engine TypeV8
    Liter6.2
    CID376
    CC6162
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.2L/376
    Engine VIN CodeF

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