production based blocks

SMALL-BLOCK PRODUCTION BASED BLOCKS

10243869

ORIGINAL 305 V-8 PRODUCTION BLOCK (RE-INTRODUCED FOR SPRINT CAR SPEC RACING)

  • Original, standard-bore block
  • Uses production Small-Block components
  • Fully machined
  • Original 2-bolt cast-iron main cap design   

10105123

350 BARE BLOCK (1986 – LATER STYLE), 1-PIECE REAR MAIN SEAL

  • Cast-iron 4-bolt block
  • 4.000” bore
  • Machined for hydraulic roller or flat tappets

88962516

383 BARE BLOCK (1986 – LATER STYLE), 1-PIECE REAR MAIN SEAL

  • Cast-iron 4-bolt block
  • 4.004” bore
  • Torque plate honed
  • Clearanced for 3.800” stoker crankshaft
  • Machined for hydraulic roller or flat tappets

10066034

350 BARE BLOCK (PRE-1986 STYLE), 2-PIECE REAR MAIN SEAL

  • Cast-iron 4-bolt block
  • 4.000” bore
  • Can be used for 302, 327, or 350 engines
  • Machined for flat tappets only
  • Used in 1973-1985 GM Goodwrench 350 engines  

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Unless specifically noted to the contrary herein, vehicles equipped with Chevrolet Performance Parts may not meet Federal Motor Vehicle Safety Standards and emissions regulations and should not be operated on public roads. Chevrolet Performance customers are responsible for ensuring their use of Chevrolet Performance complies with applicable federal, state, and local laws, regulations, and ordinances. Many parts intended for racing or other “off-highway” use are not designed or tested for crashworthiness or to meet the safety needs of the motoring public, and may adversely affect the original intended performance or handling characteristics of the vehicle. These parts are designed and intended to be used with experts supervising their installation and use, to help assure the proper and safe operation of the vehicle.

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