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Honda S2000 & Civic Type R F20 & K20 Supertech Dual Spring & Retainer Kit,  Valvetrain, SUPERTECH,  Dark Road Performance, [product_tags] - Dark Road Performance Ltd
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Honda S2000 & Civic Type R F20 & K20 Supertech Dual Spring & Retainer Kit

£564.49 £580.00

    Part Number

    SPRK-H1019D

    SPRK-H1021D

    SPRK-H1022D

    Engine Type

    S2000 F20 / K20

    S2000 F20 / K20

    S2000 F20 / K20

    Outer Spring Diameter

    30mm OD 21.8mm ID

    30mm OD 21.8mm ID

    30mm OD 21.8mm ID

    Inner Spring Diameter

    21.3mm OD 15.6mm ID

    21.3mm OD 15.5mm ID

    21mm OD 15.5mm ID

    Spring Pressures (lbs@mm)

    Seat - 97 @ 40.4 Open - 275 @ 12

    Seat - 95 @ 40.4 Open - 253 @ 12

    Seat - 80 @ 40.4 Open - 215 @ 12

    Spring Coil Bind

    22.7mm

    22.7mm

    22mm

    Spring Max Net Lift

    17.7mm

    17.7mm

    18.3mm

    Spring Rate lbs/mm

    14.8mm

    13.2mm

    11.2mm

    Kit Includes:

    • Springs
    • Seats
    • Titanium Retainers
    • Springs
    • Seats
    • Titanium Retainers
    • Springs
    • Seats
    • Titanium Retainers

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

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