en-us Wed, 07 Oct 2026 00:32:47 GMT 184781548 https://motorheadmedia.com/long-block/184781548/-aluminum-engine-block-sb-chev-new-now-reduced-to-4399.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…

]]> Engines: GM/Chevrolet: 8 Cylinder: Long Block Mon, 05 Oct 2026 07:50:05 GMT 184711340 https://motorheadmedia.com/long-block/184711340/boost-ready-370ci-ls-long-block-brodix-ls1-cnc-d-heads.html Looking for some serious power at a great price? Look no further! This 370ci boost-ready, cathedral port long block is designed to easily handle more than 1,000 hp. We are now offering this long block with high flowing, 13.5-degree valve angle, Brodix cathedral port, 6-bolt heads. Our process for machining these heads includes CNC porting and combustion chamber machining on our 5-axis with CNC valve job and bowl blend on our Newen CNC seat & guide machine (see Engine Machining playlist on…

]]> Engines: GM/Chevrolet: 8 Cylinder: Long Block Fri, 02 Oct 2026 07:50:06 GMT 184771296 https://motorheadmedia.com/long-block/184771296/dart-shp-ls-next-iron-long-block-copper-head-gaskets.html Our 427ci mechanical-roller LS iron long blocks come in two primary flavors: conventional and copper head gaskets. The Cometic MLX gaskets we use have a max boost rating of 35 psi. This long block has copper head gaskets with fuel hoops which can hold more boost and generate more horsepower. This iron LS long block also has numerous parts upgrades relative to its sister with conventional head gaskets. These include: - Upgrade from Callies Apex to Callies Magnum crank - Switch from Callies Ultra…

]]> Engines: GM/Chevrolet: 8 Cylinder: Long Block Wed, 30 Sep 2026 07:50:06 GMT 184830724 https://motorheadmedia.com/long-block/184830724/kb-olds-solid-long-block-unassembled-boosted-nitrous-.html No blower, fuel system, or ignition SEE PICTURES FOR SPEC SHEET

]]> Engines: GM/Chevrolet: 8 Cylinder: Long Block Sat, 26 Sep 2026 14:50:29 GMT 184827704 https://motorheadmedia.com/long-block/184827704/pme-sb2-358cu-nascar-engine-dyno-time-only-.html PME SB2 358cu NASCAR Engine (DYNO TIME ONLY), a high-performance powerhouse designed for serious racers and automotive enthusiasts alike. This meticulously crafted long block engine combines cutting-edge engineering with the robust durability required for NASCAR competition. The SB2 architecture is renowned for its exceptional airflow and power delivery, making it a formidable choice for any Chevrolet race vehicle. With only dynamometer testing under its belt, this engine has not yet seen track…

]]> Engines: GM/Chevrolet: 8 Cylinder: Long Block Mon, 14 Sep 2026 16:14:46 GMT 184824616 https://motorheadmedia.com/long-block/184824616/big-block-chevy.html Chevrolet 396 block and heads. Original first-year casting, 1965. Very good condition. Date-coded on the block. Comes with 1st generation large oval port cyl heads. Dates will match a restoration project from 1965-66. + The engine has the original 4.094” factory bore. Never been machined, a survivor engine. Believe that it came originally in an SS Impala, mid-‘65 or early ’66. Stored inside in dry climate.

]]> Engines: GM/Chevrolet: 8 Cylinder: Long Block Mon, 31 Aug 2026 04:20:15 GMT 184821618 https://motorheadmedia.com/long-block/184821618/chevrolet-3.5-liter-v8-irl-racing-engine.html This 3.5-liter V8 is said to have been produced by Chevrolet for use in a 2002 Indy Racing League race car. The methanol-fueled engine features aluminum construction, double-overhead camshafts on each bank, dry-sump lubrication, Chevrolet-logo camshaft covers, exhaust headers, and a wiring harness. Price: $6,000 Contact Steven Owens 806 S Roxboro St, Durham, NC 27707 Email: stevenowensracingshop@gmail.com

]]> Engines: GM/Chevrolet: 8 Cylinder: Long Block Sat, 15 Aug 2026 00:17:44 GMT 184432014 https://motorheadmedia.com/long-block/184432014/rebuilt-ls7-for-sale.html I decided to go with a an LSX so this is for sale. Rebuilt by LME. This engine has new pistons, crank, and cam. 17k for everything in the pictures below. I do not want to ship this. I can email the build sheet. Thanks

]]> Engines: GM/Chevrolet: 8 Cylinder: Long Block Sun, 09 Aug 2026 07:45:10 GMT 184812673 https://motorheadmedia.com/long-block/184812673/cadillac-northstar-engine.html For sale 2000 Cadillac Northstar brand new block and heads engine has been head studded with HO cams. Complete with Delphi ECU as well as complete wire harness intake manifold throttle body and cold air intake with filter. I also have the Headers and flywheel as well as the Mendiola adapter for a buggy with a 2D. This motor was in my 2001 Funco Gen 3 I went to a big LS .Engine has been completely rebuilt and has only been tested on a stand. $6500.00 Call Mike-760-877-7897

]]> Engines: GM/Chevrolet: 8 Cylinder: Long Block Wed, 15 Jul 2026 22:17:50 GMT 184812117 https://motorheadmedia.com/long-block/184812117/602-crate-motor.html 602 crate motor with approximately 40 nights on it oil changed every 3 nights with valve springs changed every 10 nights never been hot. Pushing oil out the air breather on the valve cover thinking it broke a ring or something

]]> Engines: GM/Chevrolet: 8 Cylinder: Long Block Tue, 14 Jul 2026 18:32:13 GMT