1988 chevy 4 bolt main 454 standard deck block.Block was baked & shotpeened & magnafluxed to check for crachs. Block was line boared for main cap studs (ARP FASTENERS) all bolt holes tapped,block was decked (SQUARED). Block board .30 over, then troke plate honed, then diamound honed for perfect cylinder finish. Preped for roller cam,Oil restrictors installed, New allan screw & freez plug kit, Fully forged & exterenely balanced rotating assembly, GM# 7416 (1053 Steel) LS6 / LS7 Forged steel crank shaft .10 under & polished to mirror finish. Eagle forged H beam rods, JE lite forged alumumin race pistons @ 12.8 ta 1 Compresion, (cnc finish pistons) Race rings, Pete jackson gear drive (QUITE) Crome bow tie cover, stainless fasteners, ATI super damper & Matching billet pointer (SFI APROVED) SFI aproved ring gear for auto trany. HI vol oil pump & shaft, (STUDED), Milodon 7 quort oil pan Stainless Fasterners, Merlin VR serise Recktangler port race heads (BILL GRUMPY JENKINS SERIES) (ARP HEAD STUDS) APROX 340 cc after porting work, 225 int 188ext valves, all valve trane parts hi dollor race parts. Merlin crome valve covers, COMP CAM ROLLER CAM, 652 lift-262 duration power range 3500-7300 RPM Motor will spin 8000+ Rpms, center line good for 200hp shot of nos. COMP CAM roller lifters & roller rockers & locks, Custom made push rods, DART super high flow intake port matched to heads(DOMINATER FLANGE) Cast fasteners, Dist hold down, metal roller crate & hoist bracket included. Build sheet included cam card included, My PH# is 586-254-2496 $12,000 is the price OBO. ONLY USED PARTS IN THIS MOTOR IS THE SEASONED BLOCK & CRANK SHAKT everything else is new hi dollor race parts.There are 7 quarts of Castrol 10w30 sentek break in oil & filter. Possible trade for Good pickup or Car, NO JUNK Or/AND Old guitar & Amplifers.