MRM-100HP High Performance LS Polylock GM LS

Name: MRM-100HP High Performance LS Polylock GM LS
Brand: MELLING
SKU: 689-MRM-100HP
Price: 44.99 USD
Availability: InStock

^$44⁹⁹

Ships on 09/04/2026

Lowest Price Guarantee

High Performance LS Polylock

GM LS

Melling MRM-100HP Features:

Melling GM LS rocker arm adjusting nuts are high performance polylocks designed for full roller rocker arms. Made from heat-treated, premium-grade 4140 Chromoly steel, these adjusters provide 190,000 psi tensile strength for the utmost in reliability. Precision CNC-machined threads to ensure optimum seat pressure, flush-machined set screws for proper contact on the studs, and, best of all, they don't require any special tools for installation.

3/8 - 24 With Set Screw
Chromoly Steel
Sold As A Set Of 16
Grade Type: Performance

Part TypeRocker Arm Nut

BrandMELLING

Package Height2.0

Package Width3.5

Package Length5.0

Weight0.6 PG

Part CategoryPerformance Parts

Part FitmentDirect Fit

Grade TypePerformance

Vendor Part NumberMRM-100HP

Package Qty1

Package TypeEA

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Some parts are not legal for use in California or other states with similar laws / regulations

MRM-100HP High Performance LS Polylock GM LS

Melling MRM-100HP Features:

⚠️ Warning

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