HPSP RACING LC135/Y15ZR BOLT CYLINDER STUD. 180MM (5/STEEL) 185MM
This is an aftermarket stainless steel cylinder stud bolt from HPSP Racing (HyperSpeed) for the Yamaha LC135 and Y15ZR, used to secure the cylinder block/head to the crankcase. It is available in 180mm and 185mm lengths for standard or modified builds.
Option
In stock · Estimated delivery: 3–7 business days (West Malaysia)
Product Details
Overview
This is an aftermarket stainless steel cylinder stud bolt from HPSP Racing (HyperSpeed) for the Yamaha LC135 and Y15ZR, used to secure the cylinder block/head to the crankcase. It is available in 180mm and 185mm lengths for standard or modified builds.
Key Features
- Stainless steel cylinder stud bolt for Yamaha LC135 and Y15ZR
- Two length options: 180mm and 185mm
- Set of multiple pieces per listing (confirm exact quantity with seller)
- HPSP Racing / HyperSpeed authorized item
- More corrosion-resistant than standard mild-steel studs
Specifications
- Brand
- HPSP Racing (HyperSpeed)
- Product
- Cylinder Stud Bolt
- Model/SKU
- LC135/Y15ZR 180mm, 185mm
- Type
- Engine cylinder stud bolt
- Main spec
- Length 180mm or 185mm
- Material
- Stainless steel
- Compatibility
- Yamaha LC135, Yamaha Y15ZR (confirm exact version with seller)
Variants & Setup
180mm is generally the standard-length option; 185mm is longer and typically needed with a thicker base gasket, spacer plate or taller cylinder block on a modified engine. Choose the length matching your cylinder base height for correct nut thread engagement.
Installation & Package
Replaces the stock cylinder studs; requires removing the cylinder head/block to fit, and should be torqued to spec by an experienced mechanic. Nut inclusion and exact piece count not fully verified, confirm with seller.
Summary
HPSP Racing stainless steel cylinder stud bolts for Yamaha LC135/Y15ZR in 180mm and 185mm lengths.
Important Notes
Using the wrong stud length can leave insufficient thread engagement for the cylinder nuts, which is a safety risk. Confirm your engine base gasket/spacer setup before choosing 180mm or 185mm.
Frequently Asked Questions
It is the threaded rod that holds the cylinder block/head onto the crankcase, torqued with a nut.
It depends on your base gasket/spacer thickness; 185mm is for taller/modified setups. Confirm with your mechanic.
Yes, per the seller listing.
The 180mm option generally suits standard setups; confirm your exact version with the seller.
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