SoCal Jet Boats

Classifieds => Engines / Engine Parts For Sale => Topic started by: jim brock on November 24, 2009, 11:34:08 AM

Title: BBC rectangle port heads #990's
Post by: jim brock on November 24, 2009, 11:34:08 AM
BB chevy 990 heads rectangle port, new valve job, new clay smith springs,retainers and keepers, not run or bolted on since work done, $750.00
Title: Re: BBC rectangle port heads #990's
Post by: jim brock on December 17, 2009, 08:58:29 AM
new price $700.00
Title: Re: BBC rectangle port heads #990's
Post by: n8dawg on January 10, 2010, 03:40:42 PM
still forsale??
Title: Re: BBC rectangle port heads #990's
Post by: jim brock on January 10, 2010, 06:17:42 PM
yes still for sale!!!!!
Title: Re: BBC rectangle port heads #990's
Post by: n8dawg on January 10, 2010, 09:53:18 PM
Jim,

Do you the cc size?
Title: Re: BBC rectangle port heads #990's
Post by: Luckie Stiff on January 11, 2010, 06:42:00 AM
Jim,

Do you the cc size?

Jim,

Give me the casting numbers and I can tell you the CC size
Title: Re: BBC rectangle port heads #990's
Post by: GT Jets on January 11, 2010, 06:48:06 AM
990's are typically 118cc combustion chambers..

GT
Title: Re: BBC rectangle port heads #990's
Post by: jim brock on January 11, 2010, 07:09:30 AM
990 rectangle port heads, came off of LS7 open chamber 450 hp motors, they were aprox. 118 - 119 cc chambers
Title: Re: BBC rectangle port heads #990's
Post by: Luckie Stiff on January 11, 2010, 08:17:51 AM
Jim,

Do you the cc size?

6272990....70-up...rect...OPEN.., 118cc chamber
Title: Re: BBC rectangle port heads #990's
Post by: n8dawg on January 11, 2010, 11:16:20 AM
They'll bolt up to a Gen V block right, with the right gaskets?
Title: Re: BBC rectangle port heads #990's
Post by: Luckie Stiff on January 11, 2010, 11:46:11 AM
Should do without any issues.
Title: Re: BBC rectangle port heads #990's
Post by: n8dawg on January 11, 2010, 12:11:43 PM
Should do without any issues.

Thats what I thought....thnx Skip!
Title: Re: BBC rectangle port heads #990's
Post by: jim brock on January 11, 2010, 01:56:23 PM
Gen IV will work on a Gen V but GenV will not work on a Gen IV you will have a water leak in the lifter galley.  Jim
Title: Re: BBC rectangle port heads #990's
Post by: Just Electric on January 11, 2010, 05:37:17 PM
jim i will come by this week and take pics so you can post them up
Title: Re: BBC rectangle port heads #990's
Post by: n8dawg on January 13, 2010, 01:04:43 AM
Gen IV will work on a Gen V but GenV will not work on a Gen IV you will have a water leak in the lifter galley.  Jim

Good to know...thnx!

Jim- didn't want to leave you hanging. Im waiting on a few things but I should know by friday if I need these heads or not.
Title: Re: BBC rectangle port heads #990's
Post by: jim brock on January 31, 2010, 11:45:35 AM
Heads are sold to Brad.  Jim
Title: Re: BBC rectangle port heads #990's
Post by: ROMPERSTOMPER on February 11, 2010, 04:01:53 PM
Good to know...thnx!

Jim- didn't want to leave you hanging. Im waiting on a few things but I should know by friday if I need these heads or not.



They will work you have to run a special head gasket. speed o motive has em.
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