en-us Wed, 22 Apr 2026 11:02:11 GMT 184778240 https://media.racingjunk.com/blocks/184778240/dart-4.9-b.s.-drce2-lifter-head-pattern-10.2-dh.html Dart 10.2 4.9 Block DRCE2 Head Bolt Lifter and Lifter Pattern Jesel 1060 Bronze lifter Bushings and Aluminum Caps by Weston 4.680 bore. I also have 4.9 GM Racing 4.9 DRCE2 Heads Available Contact Mike 513-607-2592 mikejw5@cs.com

]]> Engine Parts: Blocks Wed, 22 Apr 2026 07:50:02 GMT 184652953 https://media.racingjunk.com/blocks/184652953/lt1-lt4-lt5-aluminum-6.2l-cnc-machined-block.html MACHINED LT4 BLOCKS IN STOCK GM's aluminum LT production block has proven itself to be a strong performer. We see this block as being able to reliably handle over 1,000 hp. That could not be said about its LS predecessor. We offer this block fully machined, upgraded and ready to assemble with a diamond CNC hone finish appropriate for your application. Our state-of-the-art CNC equipment provides a level of precision far beyond OE. All blocks are individually serialized on our 4-axis CNC…

]]> Engine Parts: Blocks Tue, 21 Apr 2026 07:50:03 GMT 184430394 https://media.racingjunk.com/blocks/184430394/windage-tray-kit-for-dart-ls-next-shp-.html Made by Borowski Race Engines, Inc - Dart's new LS Next line of blocks feature a handful of improvements over the GM blocks, but the unique main cap design requires this kit and hardware to mount a GM windage tray to the block. This kit also adds additional mounting points for a variety of pick up tubes. In our experience, some nipping and tucking is required to get certain oil pump pickups mounted to the caps. Most commonly it involves reshaping and/or extending the pickup's…

]]> Engine Parts: Blocks Tue, 21 Apr 2026 07:50:03 GMT 182789160 https://media.racingjunk.com/blocks/182789160/dart-iron-ls-next2-block-1-2-main-studs-ls-or-2.750-main.html When you are pushing >2,000 horse at the flywheel, you want to make sure that things don't start coming apart! A Dart's LS Next2 block let's you lay on the boost with confidence. These are the strongest LS blocks ever produced by Dart for reasons of both design and enhanced metallurgy. The LS Next2 blocks come from Dart with larger main caps (see photos) secured with 1/2" studs. The larger diameter studs provide 40% more clamping force compared to the standard 7/16"…

]]> Engine Parts: Blocks Tue, 21 Apr 2026 07:50:03 GMT 182683231 https://media.racingjunk.com/blocks/182683231/dart-shp-ls-next-block-iron-fully-machined.html NOTE: DART'S FOUNDRY HAS FILED BANKRUPTCY MAKING FUTURE SUPPLY UNCERTAIN. WE HAVE STANDARD DECK 4.000 AND 4.125 BORES IN STOCK. UNTIL THE SUPPLY DISRUPTION IS RESOLVED, THEY ARE ONLY AVAILABLE FOR PURCHASE FROM US AS PART OF A SHORT BLOCK OR LARGER BUILD. SORRY FOR THE INCONVENIENCE. When Dart introduced the LS Next block in 2013, it opened the door to mechanically reliable big horsepower builds. The design featured a bottom end with splayed billet main caps, priority main oiling, 6-bolt…

]]> Engine Parts: Blocks Tue, 21 Apr 2026 07:50:03 GMT 184781544 https://media.racingjunk.com/blocks/184781544/chev-sb-aluminum-engine-block-new-rotate-assy-available.html >> FOR SALE----"NEW".. "ALUMINUM" SB CHEV "BARE" Engine BLOCK ..NEW from Pro-Comp ..Had originally bought 3 of these and used 2 in Previous Builds, but now going to concentrate on BB Chev Engines. This NEW block is based on 9.025 Deck Height, Accepts 2 Piece Rear Main Seal, has rough bore size of 4.120" (4.125) and Features 4 BOLT MAIN CAPS "BILLET STEEL" on ALL 5 Positions with a MAIN STUDS INSTALLED the Mains accept the more Popular 350 Main…

]]> Engine Parts: Blocks Mon, 20 Apr 2026 07:50:03 GMT 183122915 https://media.racingjunk.com/blocks/183122915/top-sportsman-bbc-merlin-blocks-up-to-3000hp.html . >>> SPECIAL SALES PROMO PRICING--LOWER THAN SOME OF THE COMPETITION"S MODEL OF BLOCK & LOWEST PRICING POSSIBLE ! *** PRICING TOO LOW TO PRINT ! ***STRONGEST CAST IRON BB CHEV RACE BLOCK ON THE MARKET. Some Versions will Will Handle up to approx. 3000+HP >> MADE IN USA by "WORLD PRODUCTS" THE PERFECT BLOCK FOR "BIG HORSEPOWER" BBC "POWER ADDER" ENGINES..EG HEAVY MULTI STAGE NITROUS-- BLOWN GAS OR ALKY--TURBO--PRO CHARGER etc. *** 2 VERSIONS…

]]> Engine Parts: Blocks Mon, 20 Apr 2026 07:50:03 GMT 182628736 https://media.racingjunk.com/blocks/182628736/bbc-race-blocks-usa-made-blueprint-merlin-some-blems.html . *** CALL FOR WHAT IS CURRENTLY AVAILABLE for MERLIN BB CHEV IRON BLOCKS.... >>> MADE IN USA by "WORLD PRODUCTS" -- ALSO SOME BLEMISHED BLOCKS MIGHT BE AVAILABLE ? ( DOES NOT INCLUDE any items being Cleared Out or Being Discontinued ) Subject to Availability. THANKS ! **** Once in awhile We HAVE Access to MERLIN BLEMISHED BLOCKS we Are "CLEARING OUT"--- "OR" SOME NEW Old Stock --Inquire for Block Specs. (SUBJECT to Availability at time of Order )…

]]> Engine Parts: Blocks Mon, 20 Apr 2026 07:50:03 GMT 182262560 https://media.racingjunk.com/blocks/182262560/dart-aluminum-ls-next-block-machined-1-2-head-studs-incl..html Price Includes CNC-Machined, Assembly-Ready Block (cam bearings installed) and P1 1/2" Head Stud Kit Dart Machinery is our preferred vendor for aluminum LS engine blocks used in boosted applications. Their splayed main cap design is unique among LS blocks and we believe that it provides superior strength. Our typical starting point is Dart PN 31947211 which is skirted and has a 9.240 deck and 4.125 inch bore. As we climb the horsepower ladder, we will start upgrading aluminum blocks sooner…

]]> Engine Parts: Blocks Mon, 20 Apr 2026 07:50:03 GMT 184778668 https://media.racingjunk.com/blocks/184778668/gm-racing-4.9-drce2-block-machined-by-weston.html GM Racing 4.9 DRCE2 BLOCK Machined by Weston Aluminum Caps Weston 409 mains 1060 lifter bushings 65mm Cam 9.100 Deck height 4.690 bore never hurt no sleeves, lightened in lifter area. Perfect block for Pro-Stock, Tractor Pull Competition Eliminator. $6000 buys it firm.

]]> Engine Parts: Blocks Sun, 19 Apr 2026 07:50:03 GMT 184736085 https://media.racingjunk.com/blocks/184736085/world-man-o-war-sb-ford-block-8.200-9.500-deck-in-stock-now.html No other 302 / 351 style Ford block compares to the ruggedness of World Products MAN O'WAR family of engine blocks. World has upgraded the blocks iron to a 40,000 psi alloy and added material to the main webs. The front web is now .080" thicker and the center three are increased by .030". World also changed from 1/2" main cap fasteners to 7/16" ARP fasteners, leaving more material in the webs in order to strengthen the main web structure further. Also has Exclusive 6…

]]> Engine Parts: Blocks Sun, 19 Apr 2026 07:50:03 GMT 184143796 https://media.racingjunk.com/blocks/184143796/world-sbc-motown-iii-blocks-350-400-mains.html World Products has developed a refined version of its popular Small Block Chevy block, the MOTOWN II Block The Oil System features an integral boss for front and rear oil feeds. The rear main cap has provisions for a wet sump oil pump. The valley has cross-feed lines between left and right lifter oil galleys. Like all World blocks and heads, the MOTOWN II is 100% American made. This is the strongest Small Block Chevy Block with new Higher Strength Hi-Nickel cast iron and increased main web…

]]> Engine Parts: Blocks Sun, 19 Apr 2026 07:50:03 GMT