Suspension and Components› Springs and Components

QA1 Precision Products, Inc

QA1 3-1/2in ID Tapered High Travel Spring - 10in Length x 650lbs/in - Silver Powder Coated

$144.19

SKU: Q00B 10HTSF650

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Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The QA1 10HTSF650 is a 10-inch tapered pro coil spring. It features a 650 lbs/in rate and a silver finish. Constructed from chrome silicon alloy spring wire, this spring has a tapered profile and a flat upper grind. The lower inside diameter is 2-1/2 inches.

They are not a direct OE replacement and are only compatible with makes and models that utilize QA1 Pro Coil Systems. The 10HTSF650 is compatible with 1968-1972 Chevrolet, GMC, Oldsmobile, and Pontiac vehicles.

Fitment

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

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Specifications

BrandQA1 Precision Products, Inc
Part NumberQ00B 10HTSF650

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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