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ProMaxx Performance 225cc Aluminum Cylinder Heads Small Block Chevy


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225cc Aluminum Cylinder Heads Small Block Chevy
3 left in stock
225cc Aluminum Cylinder Heads
  • Small Block Chevy
  • 2.08''/1.60'' Valves
  • 225cc Intake Runner
  • 64cc Combustion Chamber
  • Straight Plug
  • Assembled
  • Sold as pairs
  • Free Shipping - Ships

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    2121 - ProMaxx Performance Small Block Chevy Aluminum Cylinder Heads is rated 5.0 out of 5 by 1.
    Rated 5 out of 5 by from Pro Maxx aluminum head Love these aluminum head they flow very well and was very easy to install
    Date published: 2022-12-01
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    Will these on a 88 350 tuned port injection motor with stock intake manifold

    Asked by: 88transamSam
    The ProMaxx 723-2121 cylinder head will fit an '88 350 TPI.
    Answered by: jshook
    Date published: 2023-08-09

    Will these heads work on my 1974 350 block? 

    Asked by: Raymond
    The ProMaxx 723-2121 cylinder head will work on a '74 350 Chevy block.
    Answered by: jshook
    Date published: 2023-03-14


    Asked by: prodad
    These heads will work, but the valve springs should be changed to accommodate the hydraulic roller camshaft.
    Answered by: Rusty B
    Date published: 2023-07-01

    Can i use a 268 extreme energy cam on a chevy 350 with the head?

    Asked by: South 71
    The 268 cam will be fine for these heads.
    Answered by: Jon Jegs Tech
    Date published: 2023-02-20

    What would be the best roller cam to go with these heads 

    Asked by: Chris135664322225667
    The spring package in that cylinder head is designed for flat tappet cams only
    Answered by: SteveM
    Date published: 2023-03-07
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