Name: Supertech Single Valve Spring and Retainer Kit (Evo 4G63)
Brand: Supertech
SKU: sptSPRK-M1007S
Price: 339.73 USD
Availability: InStock

Supertech Single Valve Spring and Retainer Kit (Evo 4G63) - JD Customs U.S.A

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Valve springs are made with premium Superclean Chrome Silicon Vanadium Steel alloy for higher performance & durability at high rpms and better memory. Computer designed to ensure that wire stress levels do not overpass the limits of stress defined in the diagrams of fatigue for long durability under extreme conditions. Computer software also allows us to make sure that the harmonics are well under control.

Single Valve Spring Specs:

- Outer Spring O.D.: 28.10mm

- Outer Spring I.D.: 20.00mm

- Seat Pressure: 76 @ 39.6

- Open (lift) Pressure: 200 @ 11.5

- Max Lift: 14.90mm

- Coil Bind: 24.70mm

- Rate: 10.50 lbs/mm

The Retainers are manufactured with high quality military certified Titanium alloy, CNC machined for a tight fit that will ensure a long durability.

Best o2 plug others just look horrible or don't fit perfect like this one stainless or titanium your choice other companies just offer stainless steel

You won’t be disappointed!

Excellent quality Engine Builder Badge!!!

Amazing finish

These gave an amazing finish to my APR wing! Perfect install and effortless subtle touch to any piece of carbon fiber.

5 Stars

The finish is 🔥. Quality is undeniable. Great packaging too!! Customer service was what I was most happy with 💯. Have placed several orders after and will be placing more 🤘🫶🏻Thanks JDCUSA

Impressed

Fast delivery -quality products
Will try JD again

Supertech Single Valve Spring and Retainer Kit (Evo 4G63)

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