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

Chevrolet Performance 350 SB Bare Engine Block


Product Q&A
View Now
Click image to zoom
350 SB Bare Engine Block
Truck Freight: $129.00
350 Bare Block
  • 9.025 Deck Height
  • 1-Piece Rear Main Seal
  • 4-bolt Gray Iron Main Caps
  • Max Stroke 3.750
  • Thank you! We will notify you when this product becomes available.

    10105123 - Chevrolet Performance Bare Engine Blocks is rated 3.0 out of 5 by 1.
    Rated 3 out of 5 by from Lifter bore too tight Lifter bore too tight had to hone out and released block Cylinder head bolt holes way too shallow on one side lower had to finish taping out to install ARP stud kit I have used most of my life as an engine builder.
    Date published: 2021-06-09
    • y_2021, m_8, d_3, h_19
    • bvseo_bulk, prod_bvrr, vn_bulk_3.0.18
    • cp_1, bvpage1
    • co_hasreviews, tv_0, tr_1
    • loc_en_US, sid_10001_10001_464904, prod, sort_[SortEntry(order=RATING, direction=DESCENDING), SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)]
    • clientName_jegs

    Will this accept a manual fuel pump??

    Asked by: Philllll
    Yes, this block has the boss for the manual fuel pump built in.
    Answered by: Rusty B
    Date published: 2018-08-09

    Is this finished to 4.00 or less than 4.00in?

    Asked by: Mad dog shaw
    This will finish to 4.000"
    Answered by: Rusty B
    Date published: 2020-04-18

    What is casting number? What is bore size?

    Asked by: Mad dog shaw
    This block will have a standard 4.000" bore, the casting numbers are not available for this series of blocks.
    Answered by: Rusty B
    Date published: 2018-05-24

    Could I run a Xtreme energy hydraulic roller comp cam in this block even if it says cam fits blocks from 55-98 not originally equipped for engines with roller cams

    Asked by: Wilbland
    You can use one of the retrofit hydraulic roller cam kits with this block.
    Answered by: Rusty B
    Date published: 2017-11-10

    does this work with the edelbrock performer rpm do it urself crate engine kit

    Asked by: scherer
    Yes, this block would work with an Edelbrock top end kit.
    Answered by: Rusty B
    Date published: 2017-09-13

    Would I have to have this machined or is it ready to build?

    Asked by: Kenny923
    No, the block still need to be finished, honed and clean by a machine shop.
    Answered by: BrandonJ
    Date published: 2020-05-09
    • y_2021, m_8, d_3, h_19CST
    • bvseo_bulk, prod_bvqa, vn_bulk_3.0.18
    • cp_1, bvpage1
    • co_hasquestionsanswers, tq_6
    • loc_en_US, sid_10001_10001_464904, 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.