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Engines and Components› Camshafts and Valvetrain

Speed master

Speedmaster Mopar SB Aluminum Roller Rocker Arms 1.6 Ratio

$349.50 $339.40 Save $10.10

SKU: PCE261.1032

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
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Easy — 1–2 hours

Overview

The Speedmaster PCE261.1032 is a set of aluminum roller rocker arms and shafts designed for Mopar Chrysler SB 318, 340, and 360 engines. These shaft mount rockers feature a 1.6 ratio and are constructed from extruded aluminum and stainless steel.
Show original supplier description
The Speedmaster PCE261.1032 is an aluminum roller rocker arm and shaft kit engineered for Mopar Chrysler Small Block engines, specifically the 318, 340, and 360 cubic inch displacements. Constructed from durable extruded aluminum and stainless steel, this shaft mount rocker system includes steel shafts with pedestals. The rockers themselves feature large needle bearings for smooth operation and reduced friction. With a 1.6 ratio, these components are designed to optimize valve lift and duration, potentially enhancing engine performance. The package dimensions are 3.80 inches in depth, 21.00 inches in height, and 5.10 inches in width.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandSpeed master
Part NumberPCE261.1032
CategoryEngines and Components
5,000+ Trusted brands
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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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