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Supertech Performance SPRK-M1007S/RB Single Valve Spring 70 @ 40.7 (24) SPR-M1007S/RB + (24)RET-NRB60/TS
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Supertech Performance SPRK-M1007S/RB Single Valve Spring 70 @ 40.7 (24) SPR-M1007S/RB + (24)RET-NRB60/TS

Supertech
SPRK-M1007S/RB
Available
$499.18

$499.18

Supertech Performance SPRK-M1007S/RB Single Valve Spring 70 @ 40.7 (24) SPR-M1007S/RB + (24)RET-NRB60/TS

Supertech Performance SPRK-M1007S/RB Single Valve Spring 70 @ 40.7 (24) SPR-M1007S/RB + (24)RET-NRB60/TS

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.

Specifications:

  • Outer Spring O.D.: 28.10mm
  • Outer Spring I.D.: 20.00mm
  • Seat: 70 @ 40.7 (lbs@mm)
  • Open (lift): 188 @ 11 (lbs@mm)
  • Max net lift: 16.00mm
  • Coil bind: 24.70mm
  • Rate: 10.50 lbs/mm

Retainer P/N: RET-NRB60/TS (24) + factory seat (opt. spring shim SS-3025)

Note: This is for a complete set of single intake and exhaust valve springs. Retainers and spring seats are included if they are part of the kit.

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