717/720 Aftermarket Performance Head Options

[Matt Braley]

SRE billet head (silver) looks new or very close to it $125 shipped

Triton billet head new (silver) $125 shipped

R&D new in package but has dent where it meets the head cover that needs to be straightened $125 shipped

New billet blue head $140 Shipped

FRM Racing purple billet head (New) $140 shipped

Red billet head has some damage in one dome but runnable $100 shipped

Used R&D head $80 shipped

Novi Performance head $125 shipped

 

[92seadoo]

If you come across a head for a 580, let me know. I'll purchase from you again.

 

[Matt Braley]

If you come across a head for a 580, let me know. I'll purchase from you again.

Ok thanks. I'll look tomorrow.

 

[Matt Braley]

I'm keeping the Novi head it goes to an engine I have.

 

[Matt Braley]

Bumping it up

 

[jdanthony]

whats a good one to run with a factory pipe?

 

[Matt Braley]

A Factory Pipe pushes the 717/720 to the limits all by itself. A high compression head on top of that would not be a good idea without using race fuel.

 

[Matt Braley]

Bump. Still have these.

 

[Shane0306]

Hi matt, are you still looking to sell any of these?

 

[Matt Braley]

Hi matt, are you still looking to sell any of these?

Yes but I don't like to ship abroad.

 

[glsmohio]

Still have the fmr head. What kinda compression would that put out

 

[Matt Braley]

I still have most of these and many other aftermarket performance parts.

 

[Matt Braley]

I still have most of these and many other aftermarket performance parts.

 

[glsmohio]

Still have the frm head?

 

[Matt Braley]

Yup

 

[Hx freak]

Would you do a package deal on two of these im looking into putting a performance head on both my hx

 

[Matt Braley]

I could knock a few bucks off if your getting two but honestly those prices are pretty good for impossible to find parts that cost twice as much 25 years ago. Which 2 did you have in mind?

 

[Hx freak]

I know they are nearly impossible to find really would be interested in any of them but the blue one and the purple definitely caught my eye

 

[Matt Braley]

I still see the blue one here

 

[Sebastian Bluecrew]

Matt, do you have domes for my buckshot and how much do you want for them? 720cc... 96 octane...

 

[Matt Braley]

No sorry I've just got a couple of these heads left and no loose Buckshot domes.

 

[Sebastian Bluecrew]

No sorry I've just got a couple of these heads left and no loose Buckshot domes.

Can I have my machinist mill these down? What should the thickness be, or rather, how much should he take off to get them to acceptable range for 165psi?

 

[Matt Braley]

I have used pipes and carbs on the 717/720 to get power and rpm. Aftermarket heads don't yield much reward for the risk on these engines and true race parts like yours are super rare because when the 717 hit in 95 some tuners were already working with the 787(called the slant engine then) on the XP 800's. You cant just deck the domes because then they would fit loose in the head shell. The machinist would have to follow the angles there and remove some more material. A shop like GroupK who specializes in PWC machine work might be better for that then a local guy but who knows. You should have about 41cc of volume in each dome for 165 psi. That's my best guess anyway.