Engines and Components Camshafts and Valvetrain

Isky

1.560in Valve Springs

$392.96

SKU: I00P 9375 PLUS

In Stock
In Stock
Ships by Jun 8
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Isky Endurance Plus series valve springs (MPN 9375 PLUS) are designed for high-performance applications, featuring a specially processed Tool Room Material for increased endurance and reliability. These dual valve springs have an outside diameter of 1.560 inches, a spring rate of 480 lbs./in., and provide 230 lbs. of seat pressure at an installed height of 1.970 inches. They are Spintron Test-Proven up to 8400 rpm for 850 racing miles.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandIsky
Part NumberI00P 9375 PLUS

Videos

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.

View Full Return Policy