Engines and Components› Camshafts and Valvetrain

P2R

Single Valve Spring

$804.80

SKU: SPR-H1003S-J32

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In Stock
Ships by Aug 4
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30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Supertech SPR-H1003S-J32 is a single valve spring engineered for Honda J-series engines, specifically the J30, J32, and J35 variants. Key specifications for this valve spring include a seat pressure of 71 lbs at 39.90mm, a maximum lift capability of 12.30mm, and a coil bind measurement of 27.60mm. It has a rate of 9.90 lbs/mm, ensuring consistent operation under load. The spring is designed to work with specific retainers (RET-H1003/T1) and seat locators (SEAT-H1003-J32). Installation of the SPR-H1003S-J32 requires 7° valve locks, which are available separately in both budget and premium hardened versions to suit different needs.

MIA's Description

The Supertech SPR-H1003S-J32 is a single valve spring designed for Honda J30, J32, and J35 engines. It features specific dimensions and rates to ensure proper engine performance.

Fitment

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Specifications

BrandP2R
Part NumberSPR-H1003S-J32
CategoryEngines and Components

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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