en-us Thu, 23 Apr 2026 07:05:26 GMT 184782753 https://media.racingjunk.com/short-block/184782753/1969-chevy-427-big-block-verified-427-.030-over-l72-style.html Offered is a documented 1969 Chevrolet Mark IV Big Block 427 engine featuring verified 4.00" stroke, .030 overbore (~433 CID), and high-compression domed pistons consistent with L72 performance builds. This is NOT an unknown core — displacement has been mechanically verified and internal components inspected and photographed. This came down from wife's grandfather who was an amateur race car machinist and mechanic for 70 years. Due to a passing away in family, we are being forced to sell it…

]]> Engines: GM/Chevrolet: 8 Cylinder: Short Block Tue, 21 Apr 2026 04:40:38 GMT 184781547 https://media.racingjunk.com/short-block/184781547/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…

]]> Engines: GM/Chevrolet: 8 Cylinder: Short Block Mon, 20 Apr 2026 07:50:03 GMT 184738379 https://media.racingjunk.com/short-block/184738379/dart-big-m-572.html All new parts to build. 572 short block Callie’s forged steel crank Completely machined, clearances. Balanced, etc. 10 Wiseco pistons, approximately 12.5 compression depending on heads. Two spare pistons BME aluminum rods All new new new a steal at last drop in price $6900

]]> Engines: GM/Chevrolet: 8 Cylinder: Short Block Fri, 17 Apr 2026 07:50:03 GMT 184738373 https://media.racingjunk.com/short-block/184738373/new-rebuilt-383-chevy-stroker-short-block.html Fresh 383 stroker short block built years ago but never used. Forged crank and h beam rods..forged Ross racing pistons XL-400. Compression ratio about 11-12.5 depending on head cc. 4 bolt block decked , line honed,and bored professionaly. Assembly also balanced . Engine half hard blocked to under freeze plugs for rigidity, totally acceptable for street use. $3900.

]]> Engines: GM/Chevrolet: 8 Cylinder: Short Block Fri, 17 Apr 2026 07:50:03 GMT