• Some orders may take longer to arrive due to shipper and supplier delays.
Account Login
Gift Cards
Track Order
Help Center

Sealed Power DDP Hypereutectic Pistons Small Block Chevy


Product Q&A
View Now
Click image to zoom
Sealed Power H345DCP30
DDP Hypereutectic Pistons
  • 350 Small Block Chevy
  • Flat Top 4 Valve Reliefs
  • Volume -6.88
  • Press or Floating Pin Design
  • 676 Grams
  • 5/64-5/64-3/16 Ring lands
  • 9.35:1 w/64cc
  • 4.030 Bore
  • Set of 8
  • Thank you! We will notify you when this product becomes available.

    H345DCP30 is rated 5.0 out of 5 by 1.
    Rated 5 out of 5 by from Great Value Great value. High quality, worked great in our 350 build
    Date published: 2017-02-25
    • y_2021, m_4, d_16, h_17
    • bvseo_bulk, prod_bvrr, vn_bulk_3.0.14
    • cp_1, bvpage1
    • co_hasreviews, tv_0, tr_1
    • loc_en_US, sid_10001_10001_2835971, prod, sort_[SortEntry(order=RATING, direction=DESCENDING), SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)]
    • clientName_jegs

    Will these pistons work for a 383 stroker with 6 inch rods and not come close to the pistons

    Asked by: Camaroguy17
    You may have to clearance the bottom edge of this piston in your 383 application.
    Answered by: Rusty B
    Date published: 2018-10-11

    It says set of eight but i assume there sold as 1 correct

    Asked by: Mike619
    These are sold as each.
    Answered by: Jon Jegs Tech
    Date published: 2018-02-15

    Do these pistons come with pins or do you have to buy those separately?

    Asked by: Timothy Groot
    Pins are included with these pistons.
    Answered by: Jon Jegs Tech
    Date published: 2020-11-20
    • y_2021, m_4, d_16, h_17CST
    • bvseo_bulk, prod_bvqa, vn_bulk_3.0.14
    • cp_1, bvpage1
    • co_hasquestionsanswers, tq_3
    • loc_en_US, sid_10001_10001_2835971, prod, sort_[SortEntry(order=LAST_APPROVED_ANSWER_SUBMISSION_TIME, direction=DESCENDING)]
    • clientName_jegs

    Items You Need

    Some parts are not legal for use in California or other states with similar laws / regulations

    Motor Vehicles

    WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.


    WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.

    Electrical Cords

    WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.