# COMP Cams Rocker Arms GM LS3 1.8 3/8 Ultra

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.LS3/L99/L76 - Rectangle Port Head LS ApplicationsSet Of 16 Stud Mount Rockers - Includes Poly Locks - Requires 3/8" Studs & Guide Plates - GM LS Flat - 5/16" Pushrod Diameter1.8:1 Ratio

This Part Fits:

Year

Make

Model

Submodel

2009-2015

Cadillac

CTS

V

2007-2014

Cadillac

Escalade

Base

2011-2014

Cadillac

Escalade

Luxury

2008-2014

Cadillac

Escalade

Platinum

2011-2014

Cadillac

Escalade

Premium

2007-2014

Cadillac

Escalade ESV

Base

2011-2014

Cadillac

Escalade ESV

Luxury

2008-2014

Cadillac

Escalade ESV

Platinum

2011-2014

Cadillac

Escalade ESV

Premium

2007-2013

Cadillac

Escalade EXT

Base

2011-2013

Cadillac

Escalade EXT

Luxury

2011-2013

Cadillac

Escalade EXT

Premium

2007-2009

Chevrolet

Avalanche

LT

2007-2009

Chevrolet

Avalanche

LTZ

2010-2015

Chevrolet

Camaro

SS

2012-2015

Chevrolet

Camaro

ZL1

2008-2013

Chevrolet

Corvette

Base

2010-2013

Chevrolet

Corvette

Grand Sport

2009-2013

Chevrolet

Corvette

ZR1

2007-2013

Chevrolet

Silverado 1500

LT

2007-2013

Chevrolet

Silverado 1500

LTZ

2014-2017

Chevrolet

SS

Base

2007-2009

Chevrolet

Suburban 1500

LT

2007-2009

Chevrolet

Suburban 1500

LTZ

2008-2009

Chevrolet

Tahoe

LTZ

2007-2013

GMC

Sierra 1500

Denali

2007-2013

GMC

Sierra 1500

SLE

2007-2013

GMC

Sierra 1500

SLT

2007-2014

GMC

Yukon

Denali

2007-2014

GMC

Yukon XL 1500

Denali

2007-2009

GMC

Yukon XL 1500

SLE

2007-2012,2014

GMC

Yukon XL 1500

SLT

2008-2009

Hummer

H2

Base

2008-2009

Pontiac

G8

GT

2009

Pontiac

G8

GXP

## Details

- **Price:** 822.44 CAD
- **Vendor:** COMP Cams
- **Type:** Rocker Arms

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 822.44 CAD | In stock |

## Images

- Photo - Primary
- Photo - Primary
- Photo - Primary
- Logo Image
- Logo Image

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/comp-cams-rocker-arms-gm-ls3-1-8-3-8-ultra)
> Updated: 2026-06-26