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For Sale: BBC conventional 1330hp topend kit Ultra street recordholder





Own the baddest top end set of true conventional big block Chevy heads on the planet. The first confirmed set of Conventional heads to flow over 500 cfm. OG Texas prostock heads Prepared and ported by Rick McConathy of Slick Rick Racing Heads with 1000's of hours of R & D over the years. Made 1330 hp on Bob Books Dyno on a 585ci short deck motor.

What you get:
Complete set of BMF 330 canfield castings hand ported by Slick Rick to meet Texas Prostock Association rules. Flow over 500cfm. Heads have a custom 1 piece steel rocker bar done by Jesel. CNC chambers. Jesel Pro Tomahawk Steel rockers. Rockers completely rebuilt in July only 13 passes on them.

Victory Titanium intake and exhaust valves. Aggressive valve job by Slick Rick. PSI springs 1255rml on intakes and 1254rml on exhaust, 13 runs on springs have several sets of intake springs I will send with.

Victory titanium keepers, steel retainers.

Profiler Sniper single plane 4500 Intake, extensive work done to intake manifold, Prepped for intake valley scavenge line, Hand ported and welded to fit this exact set of heads.

Trend Push Rods to fit setup
Moroso fabricated valve covers clearanced to fit rockers. Fitting for vac pump on passenger side valve cover

Texas Prostock 55mm Cam.

Diamond billet pistons with prostock total seal ring package.

Combo in a 2950 lb 275 radial car has been 4.82 @ 145.90. At 2800 lbs its been 4.77 @ 146.06 1/8, this is a former texas prostock record holding top end, along with the current Ultra Street 275 record holder for a NA combo.

Contact Alex Hays @ 7346648337 from 9am to 11pm or
Serious buyers only.


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Phone #
734 664 8337
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Ad #182771146
Expires on: 01/15/2017
Posted: 09/25/2016, ad expires in 83 days
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Seller Information
Ad posted by:
a50kid (#351273)

Member Since: 02/01/2009
Phone Number: 734 664 8337

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106 Main Street, North Adams, MA 01247
Toll Free: 866.326.9227 • Tel: 413.663.3496 • Fax: 413.663.3615 • Email:

Execution Stats: 0.112 sec / 7.4 MB used / 7.5 MB peak