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HPSP RACING SEAT VALVE SPRING 2 HPSP KRISS SRL110 W125 EX51 / 3
Engine Valves

HPSP RACING SEAT VALVE SPRING 2 HPSP KRISS SRL110 W125 EX5

RM16

Valve spring seat (shim) by HPSP Racing for Honda Kriss, Honda Wave110i (SRL110), Honda Wave125 (W125) and Honda EX5 engines, used to adjust valve spring seat height/preload during a valvetrain build.

Option

1

Only 5 left · Estimated delivery: 3–7 business days (West Malaysia)

Product Details

Overview

Valve spring seat (shim) by HPSP Racing for Honda Kriss, Honda Wave110i (SRL110), Honda Wave125 (W125) and Honda EX5 engines, used to adjust valve spring seat height/preload during a valvetrain build.

Key Features

  • Two thickness options for EX5/W125 (2.0mm and 2.5mm)
  • Also listed for Honda Kriss and SRL110 (Wave110i)
  • Used for valvetrain tuning on Honda underbone engines

Specifications

Brand
HPSP Racing
Product
Seat Valve Spring 2 (valve spring seat)
Type
Valve spring seat/shim
Main spec
2.0mm and 2.5mm thickness for EX5/W125; thickness for Kriss/SRL110 not specified by seller — Not verified
Compatibility
Honda Kriss, Honda Wave110i (SRL110), Honda Wave125 (W125), Honda EX5

Variants & Setup

Choose 2.0mm or 2.5mm for EX5/W125 depending on the desired spring seat height/preload; confirm the correct thickness for a Kriss/SRL110 build with your mechanic, as it isn't specified in the listing.

Installation & Package

Fits under the valve spring during a head/valvetrain rebuild; should be installed by an experienced mechanic alongside valve spring service. Package includes the seat/shim piece(s) only.

Summary

HPSP Racing valve spring seat for Honda Kriss, SRL110, W125 and EX5, in 2.0mm/2.5mm options.

Important Notes

Changing spring seat thickness affects valve spring preload — an incorrect choice can cause valve float or coil-bind; verify the spec against your engine build before fitting.

Frequently Asked Questions

They are different seat thicknesses for EX5/W125 that change the valve spring's installed height/preload — pick based on your engine builder's spec.

It can physically fit, but spring seat changes are normally done as part of a tuned/rebuilt valvetrain, not on a stock engine.

No, this is the spring seat/shim only — the spring itself is sold separately.

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