Racing Flag

PARTS INTENDED FOR COMPETITION USE ONLY.
Click for more details.

Racing Flag

PARTS INTENDED FOR COMPETITION USE ONLY.
Click for more details.

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 that are emissions-related may not meet U.S., Canadian, and state and provincial laws and regulations relating to motor-vehicle emissions. These parts are designed and intended for use in vehicles operated exclusively for competition: in racing or organized competition on courses separate from public streets or highways. Visit www.chevroletperformance.com/emissions for more details.