Engines and Components› Engines, Blocks and Components

CB Performance

4340 Chromoly Steel Engine Assembly

$538.95

SKU: AC1091577

In Stock
In Stock
Ships by Sep 13
Free Shipping over $200
$100 Minimum Order
30 Days Return
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Overview

It is forged from 4340 Chromoly steel and features induction hardened tips and H-11 Tool Steel adjusting screws. This assembly enhances engine performance and longevity.
Show original supplier description
The CB Performance Forged 1.4:1 Rocker Arms Assembly is engineered to elevate your engine's performance and durability. Crafted from high-strength 4340 Chromoly steel, these rocker arms are CNC machined to an exact 1.4:1 ratio, ensuring precision and reliability. The assembly is built to last, featuring induction hardened tips and the strongest adjusting screws available, made from H-11 Tool Steel. This complete kit includes everything necessary for installation: 8 rockers, 2 hardened shafts (38% larger than stock), 4 rocker blocks, heavy-duty Chromoly rocker studs, adjusting shims, end caps, bolts, valve caps, and lock nuts. It also features 100% pressure oiling to eliminate common splash oiling issues, further enhancing your engine's performance and lifespan. This assembly is designed for a range of Volkswagen models, including the Beetle (1947-1979), T2 Bus (1968-1979), Split Bus (1950-1967), Karmann Ghia (1955-1974), Beetle Cabrio (1949-1979), Type 3 (1961-1973), Buggy/Baja (1947-1979), and Thing (1969-1975).

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

BrandCB Performance
Part NumberAC1091577
CategoryEngines and Components

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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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