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Diamond Pistons / Rings

  • 27-3464 GX390 STD 88MM (-.050) Stroker Piston Kit

    27-3464 GX390 STD 88MM (-.050) Stroker Piston Kit

    Stroker applications (-.050)Shorter compression height. Std bore 3.464 Clearance .0025 (@.850 down from oil land). Use stock GX390 UT1 T3 rings Use enclosed wristpin (Can also use GX390 wristpin, but must be shortened) Comes with Piston, Wristpin and 2...
    L6,879.77 As low as $161.54/mo with Learn More
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  • 27-3543 420CC STD 90MM Piston Kit W/O Rings

    27-3543 420CC STD 90MM Piston Kit W/O Rings

    Forged 420cc Diamond Piston 90mm (3.543) with valve reliefs. Clearance .0025 @ .850 down from oil land. Wrist pin 0.787" x 2.0" Contents: Piston, Wrist pin and 2 Clips. Rings part number DJ-4290(see related items) sold separately. Piston may require...
    L6,879.77 As low as $161.54/mo with Learn More
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  • 27-3543-S 420cc Std Stroker 90mm Piston Kit

    27-3543-S 420cc Std Stroker 90mm Piston Kit

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    For Stroker applications (-.050") Bore: 90mm (3.543") Clearance .0025" (@.850 down from oil land) Contents: Piston, Wristpin and Clips. Use DJ-4290 rings.
    L6,879.77 As low as $161.54/mo with Learn More
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  • DJ-3390-CL GX390 88mm T3 Ring Set

    DJ-3390-CL GX390 88mm T3 Ring Set

    Standard bore tier 3 ring set for the GX390(88mm) Fits the DJ-3395-F piston.  Top Ring: .046" 2nd Ring: .046" Oil Ring: .104"
    L286.66 As low as $6.73/mo with Learn More
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  • DJ-3395-F GX390 Std Forged 88mm Piston Kit

    DJ-3395-F GX390 Std Forged 88mm Piston Kit

    Std bore 3.464 Clearance .0025 (@.850 down from oil land). Use stock GX390 UT1 T3 rings Use enclosed wristpin (Can also use GX390 wristpin, but must be shortened) Comes with Piston, Wristpin and 2 Clips. Rings are sold separate, Part #DJ-3390-CL
    L6,879.77 As low as $161.54/mo with Learn More
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