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COMP Cams 1834-16 Ultra Pro Magnum XD Roller Rocker Arms Ratio Ford - 1.7 289 302 351W

(Ford Mustang 1964-2011, Thunderbird 1977-81, 1983-88, 1991-93, Maverick 1971-77, Galaxie 500 1963-74, Fairlane 1963-70, Torino 1968-76 + 42 more models)

Manufacturer

Picture for manufacturer COMP Cams

Part Number

1834-16
12 reviews
Sale Price

$641.95

Estimated ship date Monday, November 23

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Live-in-stock inventory

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Product Details

The COMP Cams Ultra Pro Magnum XD Roller Rocker Arms deliver professional-grade valvetrain performance for Ford small block engines. Designed for 289, 302, and 351W applications with 7/16" rocker studs, these rockers feature a 1.7:1 ratio for increased valve lift and improved engine breathing.

Key Features:

  • 1.7:1 rocker ratio increases valve lift for better airflow and power
  • Ultra Pro Magnum XD design with needle bearing fulcrum for reduced friction
  • Full roller tip reduces valvetrain wear and side loading on valve stems
  • Investment cast aluminum body with bronze bushings for durability
  • Precision machined for accurate geometry and optimal valvetrain stability
  • Fits 7/16" rocker studs on Ford 289, 302, and 351W engines

These high-performance rocker arms are ideal for street/strip applications, offering the durability needed for aggressive cam profiles while maintaining precise valvetrain control. The roller fulcrum design minimizes friction and wear, while the full roller tip ensures smooth operation across the valve stem.

Products specifications

Fits

Ford Mustang 1964-2011, Thunderbird 1977-81, 1983-88, 1991-93, Maverick 1971-77, Galaxie 500 1963-74, Fairlane 1963-70, Torino 1968-76, Mustang II 1975-78, Falcon 1964-70, Galaxie 1963-67, Gran Torino 1972-76, LTD 1965-86 + 37 more models

Prop 65

WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov

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. 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.

Rocker Arm Material

8650 Chromemoly Steel

Rocker Arm Ratio

1.7

Rocker Arm Series

Ultra Pro Magnum XD

Engine Family

Ford 289-351W

Rocker Stud Diameter

7/16

Maximum Valve Spring Open Pressure

1000

easy to search and order parts, free shipping is cool too...thanks

I got the right parts on time

I have used autoplicity a few times in the past. Prices are always very good and delivery was fast.

This muffler assy. fit my basic 1988 Toyota truck with 103 inch wheel base perfectly. Installed very easily and worked quite well. Installation note: after removal of the old assy. remove the two muffler rubber suspension hangers that are above and near the axle. Install them on the muffler hangers first, then install the assy. Will make the installation much easier.

Very satisfied did the job

I was very pleased with the whole process. The item I purchased weighed about 15 pounds and the shipping cost was very reasonable ($10.50 Fed Ex). I recieved my item within a week! Excellent service. I will buy more products from this website in the future.

first time ive order from here and my experience was great! shipping was crazy fast. and they had the best price shipped on the 2jz arp head stud set i could find. also how on their site they actually list if they have the part in stock and how many which is very helpful. ive payed for parts to find out the vender didn't even have them available. which lead to more down time. and we all hate down time :)

I ordered an Optima battery for my truck after I did a Google search for the battery. Autoplicity was the cheapest on the Web. Even cheaper then eBay. They got me hooked. Thanks Autoplicity

Very friendly site makes shopping an esay experience

This is the first time I've ordered from Autoplicity. I found they had the best price on the item I was looking for and decided to try them. I ordered this item yesterday(Sunday) and was just informed that it shipped. That is quick. I am pleased with their customer service and will use them as my first source.

Ordered a CTEK charger. Great price, and recieved it in 3 days. Very pleased.

I ordered a Flowmaster cat back system for my 2012 F-150. The order arrived the day they said it would and the product came at a fair price. Well done.

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