NOS GM Rocker Arm – Part #3837029 – 1950–58 Chevy 235/261 Inline-6

$124.99

type: Unknown Type
Vendor: CorvairFarmer

Description:

🔩 GM Part #3837029 – NOS Rocker Arm Overview

GM part number 3837029 is a New Old Stock (NOS) intake rocker arm, designed for use in Chevrolet 6-cylinder engines from the 1950–1958 model years. This part is a left-hand intake valve rocker arm and includes the adjusting screw and nut. It’s a precision-machined component used in the valvetrain to transfer camshaft motion to the intake valve.


📦 Item Details

  • Part Number: GM 3837029

  • Group Number: GR. 0.333

  • Type: Intake Rocker Arm – Left Hand

  • Includes: Adjusting screw and nut

  • Material: Hardened steel

  • Condition: NOS (New Old Stock) in original GM packaging

  • Casting Mark: Often marked with a cast “5”


🚗 Vehicle Applications

This rocker arm fits:

  • 1950–1958 Chevrolet passenger cars with 235 CID inline-6 engines

  • 1950–1958 Chevrolet trucks with 235 CID engines

  • 1954–1958 Chevrolet trucks with 261 CID inline-6 engines

  • 1950–1958 Chevrolet Corvette with 235 CID (excluding 216 CID engines)

This part is ideal for restorers working on early postwar Chevy inline-6 engines, especially those seeking period-correct valvetrain components.

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