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Supertech Performance SPR-H1002D Supertech Valve Springs


Part Number

09/25/2032 9:07 PM
Sale Price


In Stock (6)

delivery box

Usually delivered within 2 days

No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

Supertech Performance SPR-H1002D Supertech Valve Springs

Supertech Valve Springs are made with premium Superclean Chrome Silicon Vanadium Steel Alloy for higher performance and durability at high RPM ranges. The Supertech materials also provide for better memory, which translates into higher performance.

Computer designed to ensure that wire stress levels do not overpass their limits, Supertech Valve Springs are manufactured for long term durability even under the most extreme conditions.

Supertech Valve Springs are sold Per Valve Spring. For Example, when order for a Model that requires 16 Valve Springs, order Quantity: 16

Products specifications

Coil Bind


Inner Spring

20.5mm OD / 15.5mm ID

Max Net Lift


Open (Lift) Press

190lbs @ 12mm

Outer Spring

29.1mm OD / 21.9mm ID



Seat Press

70lbs @ 33.5mm


so far so good. let's see when they arrive.

Very easy selection and online ordering.


Great service

Easy shopping experience

Fast delivery and good intake manifold.

So far so good. Lets see how long it will take to get here.

So far so good, haven't received the item yet

Order 12486. Item was simple to find and the website made it very easy to navigate. I appreciated the ability to pay with paypal and email notifications gave me confidence that everything was taken care of properly.

Good availability and good price.

shipment came on time, and was nicely wrapped.

Good so far

Return customer with a few more future purchases in price plus quick shipping means these guys are just that good!

Very smooth ordering and processing. Great communications.

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Return Policy
Returns are easy at THMotorsports

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy