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  1. #1

    OEM 1300 pistons VS Pro-x Pistons

    What are the pro's and cons comparing oem 1300 pistons to 1300 pro-x pistons stock bore.
    Will be going on a ported 1300 engine.


  2. #2
    THE PLATE MAN JIM'S PERFORMANCE's Avatar
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    Quote Originally Posted by 00gprNC View Post
    What are the pro's and cons comparing oem 1300 pistons to 1300 pro-x pistons stock bore.
    Will be going on a ported 1300 engine.
    oem 1300 pistons forged, Pro x cast pistons.

  3. #3
    Its better to burn out than fade away christian79's Avatar
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    Nuff said OEM then!!!!!!

    Quote Originally Posted by JIM'S PERFORMANCE View Post
    oem 1300 pistons forged, Pro x cast pistons.

  4. #4
    new prox are forged too , i have put some pict somewhere on the forum .
    http://www.greenhulk.net/forums/show...t=69456&page=3

  5. #5
    krispaintballz's Avatar
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    Quote Originally Posted by gzk View Post
    new prox are forged too , i have put some pict somewhere on the forum .
    http://www.greenhulk.net/forums/show...t=69456&page=3



    pro-x are cast I thought.

  6. #6
    Moderator OsideBill's Avatar
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    Quote Originally Posted by JIM'S PERFORMANCE View Post
    oem 1300 pistons forged, Pro x cast pistons.
    Yep

    Quote Originally Posted by christian79 View Post
    Nuff said OEM then!!!!!!
    Nope, Cast are actually prefferable in the watercraft.

  7. #7
    Moderator OsideBill's Avatar
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    Quote Originally Posted by gzk View Post
    new prox are forged too , i have put some pict somewhere on the forum .
    http://www.greenhulk.net/forums/show...t=69456&page=3
    They are cast not forged.

  8. #8
    So I have a gp1200r and I'm swapping top ends to a 1300 top end. 1300 clinders are ported what pistons should i run. OEM or pro-x?

  9. #9
    WATER WOODY's Avatar
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    Who's porting and whats the Exhaust port width? Too wide and the Pro-x might not cover the sides(overlap).OEM is wider in that area. Something to look at.

  10. #10
    L Carlson's Avatar
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    Quote Originally Posted by WATER WOODY View Post
    Who's porting and whats the Exhaust port width? Too wide and the Pro-x might not cover the sides(overlap).OEM is wider in that area. Something to look at.
    Damb, I thought you were going to port some cyls for him a few days ago?

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