Product Description

461 to 523 Cubic Inch Short Blocks Starting at only $7200! Our Street Sleeper Series Injuns and Short Blocks are designed to HIDE THE HP using FACTORY CAST IRON HEADS and feature select factory 400 block cores, (with no core charges) fully deburred and machined with deck plates. ARP Main Studs. Molnar or Ohio Forged Cranks. Forged Connecting Rods. CUSTOM LOW COMPRESSION Forged Pistons for use with factory CAST IRON HEADS, Total Seal File Fit Rings. King or Speed Pro Bearings. Custom Howard's or Comp Cams Hyd Roller Cam, Rollmaster Timing Set. Precision Balanced. All tolerances optimized and cam degreed in for maximum performance.

Street Sleeper Series Injuns and Short Blocks are available as 461, 468, 481, 488, 495, 504, 512, 515 or 523 Cubic Inch Torque Monsters. They are primarily designed for Street but share many of the same components that are used in our Super Stroker Race Injuns and Short Blocks with great results. Example: 512 with a solid roller cam is reliably producing 750+HP with mildly ported Speedmaster heads and a single 950 carb!

Many additional options are available such as 4 bolt mains, block water jacket filling, lifter bore bracing. Call to discuss your particular application.

Shipping is by Truck Freight and is usually around $500. Picture is for reference only. Only the items listed in the first paragraph are included in the starting price. Oil pan, valley pan, timing cover, cylinder heads, intake manifold, etc., are available but are not included in the starting price.

Make it a Long Block or Complete INJUN with your choice of cylinder heads, intake, etc.