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NLK PERFORMANCE ROCKER ARM SHAFT PIN DLC COATED LC1351 / 4
Engine System

NLK PERFORMANCE ROCKER ARM SHAFT PIN DLC COATED LC135

RM40
5.0 · 5 reviews

NLK Performance's DLC-coated rocker arm shaft pin is a racing-only upgrade pin for the Yamaha LC135 cylinder head, coated with Diamond-Like Carbon (DLC) to reduce friction and wear at the rocker arm pivot.

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Product Details

Overview

NLK Performance's DLC-coated rocker arm shaft pin is a racing-only upgrade pin for the Yamaha LC135 cylinder head, coated with Diamond-Like Carbon (DLC) to reduce friction and wear at the rocker arm pivot.

Key Features

  • Diamond-Like Carbon (DLC) coated surface
  • Reduces friction and wear versus an uncoated stock pin
  • Fine-tuned/machined by NLK Performance
  • Listed by the seller for racing use only

Specifications

Brand
NLK Performance
Product
Rocker Arm Shaft Pin
Type
DLC-coated racing pin
Material
Steel with Diamond-Like Carbon (DLC) coating
Compatibility
Yamaha LC135

Variants & Setup

Sold as a single specification for LC135 rocker arm shafts, no size/colour variants listed. DLC coatings combine high hardness with low friction, which can help reduce valvetrain wear on high-revving racing engines; real-world lifespan gains are not independently tested by the seller.

Installation & Package

Fitting requires cylinder head disassembly to access the rocker arm shaft; should be done by someone experienced with valvetrain work. Package: 1x rocker arm shaft pin.

Summary

A DLC-coated racing rocker arm shaft pin from NLK Performance for the Yamaha LC135 valvetrain.

Important Notes

Marketed by the seller for racing use only, not general road use. Inspect the rocker arm shaft and cylinder head condition before fitting, as a worn housing can affect how well the new pin performs.

Frequently Asked Questions

It gives the pin a very hard, low-friction surface intended to reduce wear at the rocker arm pivot.

The seller lists it for racing use only, not general street use.

This listing is specified for LC135; confirm cross-model fitment with the seller before ordering for other models.

Not necessarily, but check your existing rocker arm and shaft for wear before fitting a new pin.

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