Skip to Product Info
    • CPG_1678.JPG
    • COMP Cams_Logo.jpg

    COMP Cams Ultra Pro Magnum 1.8 Ratio Rocker Arm Set for Pedestal Mount GM LS3 1678-16

    Vendor: COMP Cams
    SKU: BDQQ_1678-16
    Regular Price $541.95
    Free Shipping on Orders Over $99
    Professional, Enthusiast-Driven Customer Support
    International Shipping Available - Contact Us!
    Payment & Security

    Payments are processed through secure, encrypted systems. Your credit card details are never stored or accessible by us.

    • Amazon
    • American Express
    • Apple Pay
    • Diners Club
    • Discover
    • Google Pay
    • Mastercard
    • PayPal
    • Shop Pay
    • Venmo
    • Visa
    Ultra Pro Magnum 1.8 Ratio Rocker Arm Set for Pedestal Mount GM LS3


    COMP Cams Ultra Pro Magnum 1.8 Ratio Rocker Arm Set for Pedestal Mount GM LS3 1678-16


    Specifications:

    California Proposition 65 WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
    Engine Family LS3 (Factory Offset)
    Maximum Valve Spring Open Pressure 850
    Rocker Arm Material 8650 Chromemoly Steel
    Rocker Arm Ratio 1.8
    Rocker Arm Series Ultra Pro Magnum
    Rocker Stud Diameter Pedestal Mount
    Title Ultra Pro Magnum 1.8 Ratio Rocker Arm Set for Pedestal Mount GM LS3
    Amazon ASIN B00N6LMJ18
    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. 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 California Certified Vehicles Manufactured Before 1965? 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. Exemption Reason N/A
    C.A.R.B. E.O. Number N/A
    Description_KSW BTR
    Description_KSW Texas Speed
    Description_DES Ultra Pro Magnum 1.8 Ratio Rocker Arm Set for Pedestal Mount GM LS3
    Description_EXT These Ultra Pro Magnum rockers are made of black oxide coated 8650 chromemoly steel that can withstand up to 850 lbs of spring pressure. Featuring a 1.8 ratio
    Description_EXT these rockers fit non-adjustable pedestal mount LS3.
    Description_SHO Engine Rocker Arm
    Description_INV Ultra Pro Mag 1.8 Rockers LS3
    Description_KSW GM
    Description_KSW 4.8
    Description_KSW 5.3
    Description_KSW 5.7
    Description_KSW 6.0
    Description_KSW 6.2
    Description_KSW 7.0
    Description_KSW LS1
    Description_KSW LS2
    Description_KSW LS3
    Description_KSW LS4
    Description_KSW LS6
    Description_KSW LS7
    Description_KSW LSA
    Description_KSW LS9
    Description_KSW Camaro
    Description_KSW Silverado
    Description_KSW LS Swap
    Description_KSW 383
    Description_KSW 350
    Description_KSW SBC
    Description_KSW Chevelle
    Description_KSW Yukon
    Description_KSW L92
    Description_KSW LM7
    Description_KSW 325
    Description_KSW GMC
    Description_KSW Trailblazer
    Description_KSW Corvette
    Description_KSW GM LS
    Description_KSW GEN III
    Description_KSW GEN 3
    Description_KSW GEN IV
    Description_KSW GEN 4
    Description_KSW DOD
    Description_KSW AFM
    Description_KSW VVT
    Description_DEF Engine Rocker Arm Kit


    This Part Fits:

    Year Make Model Submodel Notes
    2009 Cadillac CTS V
    2010 Cadillac CTS V
    2011 Cadillac CTS V
    2012 Cadillac CTS V
    2013 Cadillac CTS V
    2014 Cadillac CTS V
    2015 Cadillac CTS V
    2012 Cadillac CTS V Black Diamond
    2013 Cadillac CTS V Luxury
    2014 Cadillac CTS V Luxury
    2013 Cadillac CTS V Premium Black Diamond
    2014 Cadillac CTS V Premium Black Diamond
    2007 Cadillac Escalade Base
    2008 Cadillac Escalade Base
    2009 Cadillac Escalade Base
    2010 Cadillac Escalade Base
    2011 Cadillac Escalade Base
    2012 Cadillac Escalade Base
    2013 Cadillac Escalade Base
    2014 Cadillac Escalade Base
    2011 Cadillac Escalade Luxury
    2012 Cadillac Escalade Luxury
    2013 Cadillac Escalade Luxury
    2014 Cadillac Escalade Luxury
    2008 Cadillac Escalade Platinum
    2009 Cadillac Escalade Platinum
    2010 Cadillac Escalade Platinum
    2011 Cadillac Escalade Platinum
    2012 Cadillac Escalade Platinum
    2013 Cadillac Escalade Platinum
    2014 Cadillac Escalade Platinum
    2015 Cadillac Escalade Platinum
    2016 Cadillac Escalade Platinum
    2011 Cadillac Escalade Premium
    2012 Cadillac Escalade Premium
    2013 Cadillac Escalade Premium
    2014 Cadillac Escalade Premium
    2015 Cadillac Escalade Premium
    2007 Cadillac Escalade ESV Base
    2008 Cadillac Escalade ESV Base
    2009 Cadillac Escalade ESV Base
    2010 Cadillac Escalade ESV Base
    2011 Cadillac Escalade ESV Base
    2012 Cadillac Escalade ESV Base
    2013 Cadillac Escalade ESV Base
    2014 Cadillac Escalade ESV Base
    2011 Cadillac Escalade ESV Luxury
    2012 Cadillac Escalade ESV Luxury
    2013 Cadillac Escalade ESV Luxury
    2014 Cadillac Escalade ESV Luxury
    2008 Cadillac Escalade ESV Platinum
    2009 Cadillac Escalade ESV Platinum
    2010 Cadillac Escalade ESV Platinum
    2011 Cadillac Escalade ESV Platinum
    2012 Cadillac Escalade ESV Platinum
    2013 Cadillac Escalade ESV Platinum
    2014 Cadillac Escalade ESV Platinum
    2015 Cadillac Escalade ESV Platinum
    2011 Cadillac Escalade ESV Premium
    2012 Cadillac Escalade ESV Premium
    2013 Cadillac Escalade ESV Premium
    2014 Cadillac Escalade ESV Premium
    2015 Cadillac Escalade ESV Premium
    2016 Cadillac Escalade ESV Premium
    2007 Cadillac Escalade EXT Base
    2008 Cadillac Escalade EXT Base
    2009 Cadillac Escalade EXT Base
    2010 Cadillac Escalade EXT Base
    2011 Cadillac Escalade EXT Base
    2012 Cadillac Escalade EXT Base
    2013 Cadillac Escalade EXT Base
    2011 Cadillac Escalade EXT Luxury
    2012 Cadillac Escalade EXT Luxury
    2013 Cadillac Escalade EXT Luxury
    2011 Cadillac Escalade EXT Premium
    2012 Cadillac Escalade EXT Premium
    2013 Cadillac Escalade EXT Premium
    2007 Chevrolet Avalanche LT
    2008 Chevrolet Avalanche LT
    2009 Chevrolet Avalanche LT
    2007 Chevrolet Avalanche LTZ
    2008 Chevrolet Avalanche LTZ
    2009 Chevrolet Avalanche LTZ
    2011 Chevrolet Camaro 1SS
    2012 Chevrolet Camaro 1SS
    2011 Chevrolet Camaro 2SS
    2012 Chevrolet Camaro 2SS
    2010 Chevrolet Camaro SS
    2011 Chevrolet Camaro SS
    2012 Chevrolet Camaro SS
    2013 Chevrolet Camaro SS
    2014 Chevrolet Camaro SS
    2015 Chevrolet Camaro SS
    2016 Chevrolet Camaro SS
    2012 Chevrolet Camaro ZL1
    2013 Chevrolet Camaro ZL1
    2014 Chevrolet Camaro ZL1
    2015 Chevrolet Camaro ZL1
    2008 Chevrolet Corvette Base
    2009 Chevrolet Corvette Base
    2010 Chevrolet Corvette Base
    2011 Chevrolet Corvette Base
    2012 Chevrolet Corvette Base
    2013 Chevrolet Corvette Base
    2010 Chevrolet Corvette Grand Sport
    2011 Chevrolet Corvette Grand Sport
    2012 Chevrolet Corvette Grand Sport
    2013 Chevrolet Corvette Grand Sport
    2009 Chevrolet Corvette ZR1
    2010 Chevrolet Corvette ZR1
    2011 Chevrolet Corvette ZR1
    2012 Chevrolet Corvette ZR1
    2013 Chevrolet Corvette ZR1
    2007 Chevrolet Silverado 1500 LT
    2008 Chevrolet Silverado 1500 LT
    2009 Chevrolet Silverado 1500 LT
    2010 Chevrolet Silverado 1500 LT
    2011 Chevrolet Silverado 1500 LT
    2012 Chevrolet Silverado 1500 LT
    2013 Chevrolet Silverado 1500 LT
    2007 Chevrolet Silverado 1500 LTZ
    2008 Chevrolet Silverado 1500 LTZ
    2009 Chevrolet Silverado 1500 LTZ
    2009 Chevrolet Silverado 1500 LTZ
    2010 Chevrolet Silverado 1500 LTZ
    2011 Chevrolet Silverado 1500 LTZ
    2012 Chevrolet Silverado 1500 LTZ
    2013 Chevrolet Silverado 1500 LTZ
    2014 Chevrolet SS Base
    2015 Chevrolet SS Base
    2016 Chevrolet SS Base
    2017 Chevrolet SS Base
    2007 Chevrolet Suburban 1500 LT
    2008 Chevrolet Suburban 1500 LT
    2009 Chevrolet Suburban 1500 LT
    2007 Chevrolet Suburban 1500 LTZ
    2008 Chevrolet Suburban 1500 LTZ
    2009 Chevrolet Suburban 1500 LTZ
    2008 Chevrolet Tahoe LTZ
    2009 Chevrolet Tahoe LTZ
    2007 GMC Sierra 1500 Denali
    2008 GMC Sierra 1500 Denali
    2009 GMC Sierra 1500 Denali
    2010 GMC Sierra 1500 Denali
    2011 GMC Sierra 1500 Denali
    2012 GMC Sierra 1500 Denali
    2013 GMC Sierra 1500 Denali
    2007 GMC Sierra 1500 SLE
    2008 GMC Sierra 1500 SLE
    2009 GMC Sierra 1500 SLE
    2010 GMC Sierra 1500 SLE
    2011 GMC Sierra 1500 SLE
    2012 GMC Sierra 1500 SLE
    2013 GMC Sierra 1500 SLE
    2007 GMC Sierra 1500 SLT
    2008 GMC Sierra 1500 SLT
    2009 GMC Sierra 1500 SLT
    2009 GMC Sierra 1500 SLT
    2010 GMC Sierra 1500 SLT
    2011 GMC Sierra 1500 SLT
    2012 GMC Sierra 1500 SLT
    2013 GMC Sierra 1500 SLT
    2011 GMC Yukon Base
    2012 GMC Yukon Base
    2007 GMC Yukon Denali
    2008 GMC Yukon Denali
    2009 GMC Yukon Denali
    2010 GMC Yukon Denali
    2011 GMC Yukon Denali
    2012 GMC Yukon Denali
    2013 GMC Yukon Denali
    2014 GMC Yukon Denali
    2007 GMC Yukon XL 1500 Denali
    2008 GMC Yukon XL 1500 Denali
    2009 GMC Yukon XL 1500 Denali
    2010 GMC Yukon XL 1500 Denali
    2011 GMC Yukon XL 1500 Denali
    2012 GMC Yukon XL 1500 Denali
    2013 GMC Yukon XL 1500 Denali
    2014 GMC Yukon XL 1500 Denali
    2007 GMC Yukon XL 1500 SLE
    2008 GMC Yukon XL 1500 SLE
    2009 GMC Yukon XL 1500 SLE
    2007 GMC Yukon XL 1500 SLT
    2008 GMC Yukon XL 1500 SLT
    2009 GMC Yukon XL 1500 SLT
    2008 Hummer H2 Adventure
    2009 Hummer H2 Adventure
    2008 Hummer H2 Base
    2009 Hummer H2 Base
    2008 Hummer H2 Luxury
    2009 Hummer H2 Luxury
    2008 Pontiac G8 GT
    2009 Pontiac G8 GT
    2009 Pontiac G8 GXP
    Shipping Policy

    Cancellations

    Once an order is placed, in most cases it cannot be cancelled as they are sent for fulfillment almost immediately after receiving the order. If there is an ability to cancel the order, the buyer is responsible for the transaction fees charged from the transaction.

    Processing Time

    In-stock orders are typically processed and shipped within 1–2 business days of receiving payment, unless otherwise stated on the product page. Orders placed on weekends or holidays will be processed on the next business day.

    Shipping Costs

    Shipping costs are calculated based on the shipping method selected, the weight and dimensions of the package, and the destination address. You can view the shipping costs for your order during the checkout process before finalizing your purchase.

    Tracking Information

    Once your order has been shipped, you will receive a shipping confirmation email with tracking information. You can use this information to track the status of your package and monitor its delivery progress.

    Delivery Time

    While we make every effort to ensure timely delivery, please note that delivery times may vary due to factors beyond our control, such as weather conditions or carrier delays.

    International Shipping

    For international orders, please be aware that customs duties, taxes, and other fees may apply upon delivery. These additional charges are the responsibility of the recipient and are not included in the shipping cost paid at checkout. Please check with your local customs office for information on potential fees before placing your order.

    Shipping Address

    Please ensure that the shipping address provided during checkout is accurate and complete. We are not responsible for orders shipped to incorrect or undeliverable addresses due to customer error.

    Return Policy

    Return Period

    You have up to 30 days from the date of purchase to return eligible items.

    Condition of the Item

    A 20% restocking fee will apply to cover inspection, processing, and repackaging costs.

    Items must be returned in new, unused condition and include all original packaging, hardware, and documentation.

    Return Shipping

    The cost of return shipping is the responsibility of the buyer unless the item was received damaged, defective, or incorrect.

    Return Authorization

    Before returning any item, please contact our customer service team to obtain a Return Merchandise Authorization (RMA) number. Items returned without an RMA may not be accepted.

    Refund Processing

    Once the returned item is received and inspected, we will initiate the refund process. Please allow 2–5 days for the refund to be processed and credited to the original payment method. Bank processing times may vary.

    Damaged or Defective Items

    If you receive a damaged, defective, or incorrect item, contact us immediately for assistance. We’ll work quickly to resolve the issue or send a replacement.

    Final Sale Items

    Certain items may be marked as Final Sale and are not eligible for return or exchange. These will be clearly noted on the product page.

    Disclaimer

    All products are sold for off-road use only unless otherwise specified. Buyer assumes all responsibility for installation and operation. Seller is not liable for any incidental, indirect, or consequential damages — including engine failure, labor costs, or vehicle downtime — resulting from the use of any product sold.

    By making a purchase from Berry Performance Sales, you acknowledge and agree to abide by the terms and conditions of these Policies.

    For any questions or concerns, please contact us — we’re always happy to help.

    Recently Viewed