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Supertech Performance SPRK-H1022D/SR20 Dual Valve Spring 95 @ 40.5 SPR-H1021D/2024 + RET-NSR20/T1 + SEAT-SR20/6 (For DET use SEAT-H/N240 on Exhaust)

Supertech
SPRK-H1022D/SR20
Available
$484.38

$484.38

Supertech Performance SPRK-H1022D/SR20 Dual Valve Spring 95 @ 40.5 SPR-H1021D/2024 + RET-NSR20/T1 + SEAT-SR20/6 (For DET use SEAT-H/N240 on Exhaust)

Supertech Performance SPRK-H1022D/SR20 Dual Valve Spring 95 @ 40.5 SPR-H1021D/2024 + RET-NSR20/T1 + SEAT-SR20/6 (For DET use SEAT-H/N240 on Exhaust)

Supertech valve springs are computer designed to ensure smooth harmonics under high RPM and load. The stress levels are kept under control and fatigue is reduced for long durability under extreme conditions. These springs are made of premium Superclean Chrome Silicon Vanadium steel alloy, which is a tough alloy that was designed for higher performance and durability at high RPM's and memory retention.

Specificationa:

  • Outer Spring O.D.: 30.00mm
  • Outer Spring I.D.: 21.80mm
  • Inner Spring O.D.: 20.50mm
  • Inner Spring I.D.: 15.50mm
  • Seat: 95 @ 40.5 (lbs@mm)
  • Open (lift): 230 @ 12.0 (lbs@mm)
  • Max net lift: 16.00mm
  • Coil bind: 19.50mm
  • Rate: 11.20 lbs/mm

Retainer P/N: RET-NSR20/T1 (16) + SEAT-SR20/6 (8 for Intake) + SEAT-H/N240 (8 for Exhaust)

Note: This is for a complete set of dual intake and exhaust valve springs, & retainers and spring seats.

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