price drop 11,000
Above Added: Sun September 25, 2016, 11:15 am EST
pistons have checked out and are good to go.
Ill throw in a mint 4.30 pro gear to the buyer as well.
Above Added: Fri September 16, 2016, 10:50 am EST
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:
BMF 330 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. Valvetrain has been proven to run north of 9400 rpm. 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, usually get around 45 before swapping. Victory titatnium keepers, steel retainers. Have boxes of spare 1255's that have runs on them but all check out good and have under 50% of a normal expectancy on them.
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. Custom corner water lines to equal heat through heads. Intake water cross over tapped for racepak temp sensor. Pan vac sensor mount in stock dizzy area.
Trend Push Rods to fit setup
Moroso fabricated valve covers clearanced to fit rockers. Fitting for vac pump on passenger side valve cover, no oil blow issues.
Texas Prostock 55mm Cam
Pending inspection by Uratchko Racing Engines, Diamond billet pistons with prostock total seal ring package. Pulled 23" of vac on every pass.
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 firstname.lastname@example.org
Serious buyers only.