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Supertech Performance SPR-H1021D-SR20 Supertech Valve Springs - G20 - - - Spr-H1021d-S - Sr20de

Manufacturer

Supertech Performance

<p>Supertech is a manufacturer of high quality engine valves pistons and other engine components for racing applications including; OEMs, <span class="caps">NASCAR</span>, <span class="caps">IRL</span>, Road Racing, Drag Racing, Rally, and Formula One.</p> <p>European, Japanese or whatever is your application; Supertech is the right place to start. Stainless Steel, Titanium, Inconel or any other sophisticated material is Supertech’s specialty.</p>

Picture for manufacturer Supertech Performance P4-MA84-P2 Supertech Pistons

Part Number

SPR-H1021D-SR20
6 reviews
04/24/2034 11:37 PM
Sale Price

$11.68

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Product Details

Supertech Performance SPR-H1021D-SR20 Supertech Valve Springs - G20 - - - Spr-H1021d-S - Sr20de

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

25

Inner Spring

21.3mm OD / 15.5mm ID

Max Net Lift

15.5mm

Open (Lift) Press

265lbs @ 12.0mm

Outer Spring

30mm OD / 21.8mm ID

Rate

13.2lbs/mm

Seat Press

106lbs @ 40.5mm

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.

shipment came on time, and was nicely wrapped.

Just received my order! I placed the order Sunday night and received it on Tuesday, super fast shipping! The SS vent caps look great and arrived in perfect condition. Thanks!

Great prices and love the Amazon tie-in.

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

Very smooth ordering and processing. Great communications.

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