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Supertech Valve Spring & Retainer Kit - MX8 NB 1.8L
by Supertech
$1,327.04 NZD
SKU ST-SPRK-MM18D
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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.: 27.50mm
- Outer Spring I.D.: 20.00mm
- Inner Spring O.D.: 20.00mm
- Inner Spring I.D.: 15.20mm
- Seat: 74 @ 34.20 (lbs@mm)
- Open (lift): 177 @ 10.5 (lbs@mm)
- Max net lift: 13.00mm
- Coil bind: 20.70mm
- Rate: 12.10 lbs/mm
Retainer P/N: RET-TS60/MA2 + (16) SEAT-TS/MA18I+OEM (use '97 + Cotters)
Note: This is for a complete set of dual intake and exhaust valve springs, & retainers and spring seats.
