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chevy 307 block with crank 3970020 year J-5-7
chevy 307 block with crank 3970020 year J-5-7
chevy 307 block with crank 3970020 year J-5-7
chevy 307 block with crank 3970020 year J-5-7
chevy 307 block with crank 3970020 year J-5-7
chevy 307 block with crank 3970020 year J-5-7
chevy 307 block with crank 3970020 year J-5-7
chevy 307 block with crank 3970020 year J-5-7
chevy 307 block with crank 3970020 year J-5-7

chevy 307 block with crank 3970020 year J-5-7

$ 132

Availability: 67 in stock
  • Vintage Car Part: Yes
  • Returns Accepted: ReturnsNotAccepted
  • Condition: Used
  • Warranty: 5 Year
  • Brand: Chevrolet

    Description

    chevy 307 block with crank 3970020 year J-5-7.
    Lol back then they used that special oil that really stuck to the inner workings!! It’s a nasty block but I’m told you can block these all the way out to a 350 and still have plenty of cylinder wall left, that’s what I’m told lol. Comes with the crankshaft still in it.
    I will crate it up buyer pays all ship costs. Thanks