Anyone have one of these laying around for sale? If not, does anybody know the dimensions of the flame arrestor used on this engine so I can buy a similar one.

Are you talking about a blue HP500? Is it carbed or EFI?

I have a red 10X14 anodized, like new, used one summer, fits
4500 model carbs

carbed 500 hp 502. Need one that will fit holley 800 cfm.

Call Rich I think he still has one, this is his ad on Boatfreaks
See below

Jeff H

Cleaning out shop.

2 sets - 502 magnum fuel injections from 1995 motors. Complete ready to bolt on any rectangular port 454 or 502 motors $2000 for both or $1100 each (Included: upper and lower manifolds, complete wiring harness/boxes, computers, feed rails/pumps, sensors, coils, coil brackets, and distributers)

1 set of kierkaufer throttles for a single - powder coated blue. $150.00

1 Dooley large capacity oil pan with the trap doors, welded up from Rod damage.

1 HP 500 air cleaner and breather hoses

1988 Bravo 1 lower case (no guts).

Holley oval port intake off ZZ 502 motor, excellent condition $75.00

All parts of open to offers
Email me for pics of items
[email protected]
(847)732-1062
Rich

Take a look here
http://store.knfilters.com/marine/boats.htm