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Part number: SPR-H1021D
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Product Details
Supertech Performance SPR-H1021D Supertech Valve Springs
Products specifications
Coil Bind 22.7
Inner Spring 21.3mm OD / 15.5mm ID
Max Net Lift 17.7mm
Open (Lift) Press 253lbs @ 12mm
Outer Spring 30mm OD / 21.8mm ID
Rate 13.2lbs/mm
Seat Press 95lbs @ 40.40mm

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

Reviews
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S
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.
K
so far so good
Y
shipment came on time, and was nicely wrapped.
R
Very nice people very considerate and helpful plus the price was nice
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