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Diamond 30802 - 5.8L Shelby Series Piston / Ring Kit -19.5cc Dish, 3.681" Bore

Diamond Racing Products
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9.5:1 Compression - Supplied with AP Steel Ring Set - Designed for factory Plasma Liner
Pricing: $1087.97

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8620 Alloy - .180" Wall
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DIA-30802
  • DIA-30802
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    Description

    Diamond's all new 5.8L Trinity Shelby Series Pistons feature a much taller compression height to bring the Piston closer to the deck. This drastically improves combustion efficiency and flame travel while allowing the rings to be spaced out for additional strength. These Pistons are designed to be used with the factory Plasma Transfer Wire-Arc liner.

    Features: 

    • 2618 Alloy Forging for High HP Applications
    • .320" Down Top Ring Land 
    • .151" Intake / .050" Exhaust Valve Reliefs 
    • Moly Coated Skirts
    • Premium 8620 Wrist Pins - H-13 Tool Steel Upgrade optional
    • Total Seal AP Steel Piston Ring Set - Napier 2nd Rings 

    Compression Ratio: 9.5:1
    Compression ratio calculated with 3.700" Bore / .036" Compressed Thickness

    Specifications: 

    Part Number   30802
    Piston Material   2618 Aluminum Alloy 
    Fitment   Ford 5.8L Trinity - Factory Spray in Liner 
    Piston Volume  -19.5cc  
    Bore  3.681" 
    Stroke  4.165"  
    Rod Length  6.657" 
    Compression Height  1.315" 
    Wrist Pin Dimesions .866" x 2.500" x .180" Wall 
    Wrist Pin Material  8620 Alloy
    Optional Wrist Pin Dimensions  .866"x 2.500" x .200" Wall
    Optional Wrist Pin Material  H-13 Tool Steel 
    Included Piston Ring Set  09523681
    Piston Ring Stack  1.2mm x 1.5mm x 3.0mm 
    Piston Ring Specifications  AP Steel Top, Napier 2nd, 3 Piece Stainless Oil 

    H-13 Wrist Pin upgrade suggested for applications over 800 HP