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Speed-Pro Digital Diamond Profile Hypereutectic Pistons


Sealed Power
Speed-Pro Digital Diamond Profile Hypereutectic Pistons

Digital Diamond Profile (DDP) Technology is a digital actuated diamond turning process that produce precision skirt profiles. The barrel profile of the DDP piston promotes an oil wedge between the skirt and cylinder wall.

DDP pistons also feature Thermal Arching Compensation (TAC) ring groove geometry. Ring grooves machined with an uptilt to offset thermal "arching" distortion. Uptilt squares the ring face to the cylinder for increased power and decreased oil consumption.

Speed Pro's next generation Duroshield skirt coating is also added to reduce friction across entire RPM range. Increased wear resistance for long life and superior NVH (noise, vibration, and harshness) reduction.

Precision machined pin bores allow fixed or floating wrist pin installation. Piston/pin assemblies are weight matched to 4 gram (+/- 2 gram) maximum variation within every engine set.


Click on piston highlight below for more details on the features of Digital Diamond Pistons



8 Products
350 SB-Chevy Flat Top Piston 4 Valve Reliefs, Dome Volume -6.88, Press or Floating Pin Design. 676 Grams, 5/64-5/64-3/16 Ring lands, 9.35:1 w/64cc, 5.7 Rod, 4.000 Bore, 3.480 Stroke

844-H345DCP20
DDP Piston
  • 350 SB-Chevy
  • 4.020 Bore
  • Each
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  • $25.99
    Order Today Ships 05/01/14
    350 SB-Chevy Dish Top Piston 4 Valve Reliefs, Dome Volume -.098, Press or Floating Pin Design. 661Grams, 5/64-5/64-3/16 Ring lands, 8.5:1 w/76cc, 5.7 Rod, 4.000 Bore, 3.480 Stroke

    844-H423DCP40
    DDP Piston
  • 350 SB-Chevy
  • 4.040 Bore
  • Each
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  • $25.99
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    844-WH423ACP
    DDP Piston
  • 350 SB-Chevy
  • 4.000 Bore
  • Each
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  • $23.99
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    350 SB-Chevy Flat Top Piston 4 Valve Reliefs, Designed For Maximum Compression and Performance, Press or Floating Pin Design. 661Grams, 1.5MM, 1.5MM, 3.0MM Ring lands, 9.58:1 w/64cc, 5.7 Rod, 4.000 Bore, 3.480 Stroke

    844-H669ACP
    DDP Piston
  • 350 SB-Chevy
  • 4.000 Bore
  • Each
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  • $43.99
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    844-H669ACP30
    DDP Piston
  • 350 SB-Chevy
  • 4.030 Bore
  • Each
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  • $41.99
    Order Today Ships 05/01/14

    844-H669ACP40
    DDP Piston
  • 350 SB-Chevy
  • 4.040 Bore
  • Each
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  • $41.99
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    844-H669ACP60
    DDP Piston
  • 350 SB-Chevy
  • 4.060 Bore
  • Each
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  • $41.99
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    350 SB-Chevy Flat Top Piston 4 Valve Reliefs, Dome Volume -6.88, Press or Floating Pin Design. 696 Grams, 2.0mm-1.5mm-4.0mm Ring lands, 9.35:1 w/64cc, 5.7 Rod, 4.000 Bore, 3.480 Stroke
      844-H597ACP30
    DDP Piston
  • 1990-97 350 SB-Chevy
  • 4.030 Bore
  • Each
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  • $27.99
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    8 Products