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10205294 - Goodwrench Production Chevy 90 Degree V6 Block - 4.000"-4.030" Bore, 9.025" Deck, 2.45" Mains, 2 Bolt Main, Non-Siamesed Bores

This product may require vehicle validation(s) for proper fitment. Please contact us to confirm correct vehicle fitment and usage.

Availability: Item has been discontinued and is no longer available
Shipping: FREE 48 State Shipping


Production 4.3L cast iron engine block

Cast iron bare block as used in production 4.3L 90 degree V6 engines with 4" bore and 2 bolt main caps. Used 1 piece rear main seal and is machined for either roller or flat tappets. Has two oil galleries and an open lifter gallery. it cannot be converted to V8 style lubrication.

  • Iron block
  • Non-Siamesed
  • 9.025" deck
  • 4.000"-4.030" bore range
  • 2 bolt caps
  • Straight caps
  • 2.45" main journals
  • Wet oil sump
  • 1 piece rear main seal
  • 3.75" max. stroke
  • Has mech. fuel pump boss.

Application List



  • 10205294
  • 10205294
  • Chevrolet Performance Parts
  • Item has been discontinued and is no longer available
  • New


Shipping Information

  • Item Requires Shipping
  • 146.0 lbs.
  • FREE 48 State Shipping

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