en-us Sat, 05 Sep 2026 13:52:15 GMT 184720565 https://media.racingjunk.com/heads/184720565/cnc-ported-gm-lt4-cylinder-heads-assembled-.html We start with brand-new GM LT4 cylinder heads, disassemble them and throw out the stock springs and exhaust valves. Our CNC-porting of GM LT heads significantly improves airflow of these heads. Our process for machining these heads starts with CNC porting on our 5-axis. This is followed by CNC valve jobbing and bowl blending in a single operation on our Newen CNC seat & guide machine. Click BUY NOW to get over to our website and see a video of the Newen at work. The stock LT heads are known…

]]> Engine Parts: Heads Fri, 04 Sep 2026 07:50:05 GMT 184695272 https://media.racingjunk.com/heads/184695272/lt1-lt4-cylinder-head-porting-upgrade-service.html Our CNC-porting of GM LT heads significantly improves airflow of these heads. The stock LT heads are known to have valve guide wear issues. We replace the factory guides with CHE valve guides made from CHE's proprietary bronze alloy. This extends the heads' longevity. We know what makes power and also survives the beating of competition. It's not chasing peak air flow at max lift by excessively cutting away the metal around the valve guides. Peak air flow occurs at only one…

]]> Engine Parts: Heads Fri, 04 Sep 2026 07:50:05 GMT 184125708 https://media.racingjunk.com/heads/184125708/ford-racing-svo-heads-m-6049-v351-race-cylinder-heads-combo.html PAY BY 3:00 PM CST & ITEMS WILL SHIP SAME DAY M-F 100% IN STOCK NO GAMES HERE. VERY HARD TO FIND FORD RACING SVO HEADS. new Ford Racing svo Cylinder Heads FORD # m-6049-v351, edelbrock 351w glidden 4500 flange intake #2828, manley intake valves 2.150 #11766, manley ext valves 1.625 #11763, manley spring cups #4781-16, manley retainers #23660ts-16, manley valve locks #13194-16, comp cams mech roller springs #26115-16, fel-pro intake gaskets #1262r-2, top end kit is ported & flowed see…

]]> Engine Parts: Heads Fri, 04 Sep 2026 07:50:03 GMT 184821226 https://media.racingjunk.com/heads/184821226/small-block-ford-c3-cylinder-heads-m6049-c3-yates.html Small Block Ford C3 Assembled Cylinder Heads (M6049-C3 SVO Castings) Assembled as follows: • 2.100" x 5.260" O.L. DelWest Titanium Intake Valves (11/32 Stem Diameter, Hard Tips) • 1.600" X 5.140" O.L. Titanium Exhaust Valves (11/32 Stem Diameter, Hard Tips) • DelWest Titanium 10° Retainers • 10° Steel Valve Locks • Steel O.D. Spring Cups • Positive Valve Stem Seals on Intake Side • Valve Spring Information: 200 lbs. @…

]]> Engine Parts: Heads Thu, 03 Sep 2026 19:49:02 GMT 184820050 https://media.racingjunk.com/heads/184820050/complete-profiler-205-heads-c460-replacement-for-bbf.html Pro-Filer 205 aluminum cylinder heads for 385 series BBF (429-460). Victory titanium valves, NEW PAC 1360-16 springs, titanium retainers, jesel rocker arms. Have flow sheets, engine made 1178hp at 7800 rpm on motor only. Jesel rocker arms with solid one piece stands included (as pictured). These heads in its current configuration only have dyno time and (8) quarter mile passes. I also have other items available to run these. Head studs, valve covers, sheet metal intake manifold,…

]]> Engine Parts: Heads Thu, 03 Sep 2026 18:36:03 GMT 184825795 https://media.racingjunk.com/heads/184825795/arao-32-valve-cylinder-heads.html I have a complete set of these arao 32 valve heads for sale....check out the pics

]]> Engine Parts: Heads Thu, 03 Sep 2026 04:22:57 GMT 184825783 https://media.racingjunk.com/heads/184825783/new-edelbrock-victor-7765-cnc-big-block-chevy-heads.html THIS WEEKEND ONLY EDELBROCK VICTOR 7765 CNC BIG BLOCK CHEVY HEADS NEW #7765 is CNC-machined ported throughout by Mike Chapman Racing for Edelbrock with outstanding flow at the entry and from the bowl area to the seat 375 intake port, the exhaust ports are 146cc and are raised .750” with 130cc chamber Valve Sizes: Intake - 2.30” +.400 Exhaust – 1.90” +.100

]]> Engine Parts: Heads Wed, 02 Sep 2026 21:36:50 GMT 184688368 https://media.racingjunk.com/heads/184688368/cnc-ported-cid-6-bolt-lt4-cylinder-heads-assembled.html Our CNC-ported GM LT heads are pretty darn good. These CID heads are better and by a lot! Here's why: - We buy these heads as porter castings which allows us to impart whatever design we like to the runners and combustion chamber. - These heads were designed from ground up for competition, not transportation - They are made in the USA using premium aluminum alloy with no remelt under the watchful eye of CID's owner - The deck is about 0.25 inch thicker than OE heads - The six-bolt design…

]]> Engine Parts: Heads Wed, 02 Sep 2026 07:50:04 GMT 184778673 https://media.racingjunk.com/heads/184778673/brodix-390x-cnc-ported-heads-.html BRODIX 390X CNC Ported Raised Oval Port Heads Flows 480 CFMs at 900 Lift 119cc Combustion Chamber 2.375 Intake 1.850 Ex Severe Duty Manley or Brodix On Sale starting at $4295.00 per pair bare

]]> Engine Parts: Heads Wed, 02 Sep 2026 07:50:03 GMT 184778670 https://media.racingjunk.com/heads/184778670/brodix-335-oval-port-3xtra-castings.html Big Sale!! Only $3295! Reg $3995 2-Complete 24 degree 335 Oval Port using special 3Xtra casting Complete 2 Heads 2.300x1.880 Severe Duty Valves Roller Springs Manley Retainers

]]> Engine Parts: Heads Wed, 02 Sep 2026 07:50:03 GMT 184778358 https://media.racingjunk.com/heads/184778358/pontiac-drce2-4.9-pro-stock-heads.html These where 25K in 2000 Brodix Pontiac 4.9 Heads welded and rolled to 12 degree fresh valve job fresh clean up mill, Titanium Valves like new Titanium Retainers Triple PSI Springs, I also have the Rocker Stands and Jesel Rockers for 4995.00 I have a matching sheet metal Intake for 1200 and a set of 2,0 Bob Book Dominators for 2200.00 Contact Mike 513-607-2592 mikejw5@cs.com

]]> Engine Parts: Heads Wed, 02 Sep 2026 07:50:03 GMT 184778239 https://media.racingjunk.com/heads/184778239/drce2-heads-4.9bs.html 2-GM DRCE2 Pro-Stock Racing Heads By Steve Schmidt 25K new in around 2005 Heads excellent condition Bronze seats 10 degree Intake valve angle these are EX Bob Book AED Heads I have Bare heads I have the Titanium Valves PSI triple roller Spring and Retainers I have Stands and Jesel Rockers and matching Sheet Metal Intake and a set of Matching Bob Book Pro-Stock Dominators, asking 3500 Bare 4500 with like new Titanium Valves 5000 complete with springs and Retainers locks and cups 6500 with Stands…

]]> Engine Parts: Heads Wed, 02 Sep 2026 07:50:03 GMT