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Sealed Power DDP Piston Kit 350 SB-Chevy Flat Top Piston 4 Valve Reliefs

Sealed Power 8KH345DCP40
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844-8KH345DCP40

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Sealed Power DDP Piston Kit 350 SB-Chevy Flat Top Piston 4 Valve Reliefs $130.99
DDP Piston Kit
  • 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
  • 4.040 Bore
  • Set of 8 Pistons and Rings

  • Specifications:

    Shipping Weight:
    14.63
    Package Height:
    9.500
    Package Width:
    18.300
    Package Depth:
    4.400
    Manufacturer's Part Number:
    BSE8KH345DCP40

    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

    I have a 327 .40 over, 202 double  hump heads, ramhorn exhaust a want to run a mild cam with about 450 lift. What pistons do you recommend for clearance/ driveability and reliability. It currently has dished pistons 

    Asked by: Quinn Quarnberg
    Any flat top piston with valve reliefs would work great. There's many choices all ranging in price. One of our representatives would be able to help you narrow it down at 1.800.345.4545.
    Answered by: Dean R
    Date published: 2018-01-09
    • y_2018, m_7, d_14, h_5CST
    • bvseo_bulk, prod_bvqa, vn_bulk_2.0.8
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    • loc_en_US, sid_10001_10001_3026070, prod, sort_[SortEntry(order=LAST_APPROVED_ANSWER_SUBMISSION_TIME, direction=DESCENDING)]
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    Some parts are not legal for use in California or other states with similar laws / regulations