Pontiac 490-494cid this ones a 493 4.5 stroke x 4.170 bore as always the block was baked,blasted,magged,decked,line honed and bored & honed with plates arp main studs 4.500 forged crankshaft forged h-beam rods with arp 2000 or L19 bolts clevite rod bearings durabond cam bearings speedpro mains balanced rotating assembly custom wiseco forged pistons with total seal gapless rings compression is 10.2 to 1 for 91 pump gas brass soft plugs that won't rust out canton 6.5qt. oil pan & pick up melling oil pump new timing cover div. plate & waterpump all new no rebuilds billet timing set comp hyd. roller cam & lifters new push rods alum. valley pan KRE 325cfm d-port heads ss valves cnc ported roller springs edelbrock performer rpm manifold port matched demon carb 850cfm with fuel log mech fuel pump comp alum roller lifters hp and torque in the high 5's this one's in stock but they have been selling as fast as we can build them so allow for 6-8 week delv. 125.00 to skid over sea's call Autobohn Engines The Pontiac Guy no one builds them better if your paying for a name be sure of what your getting if it starts with a B it could be B.S.Scope out our other auctions 616 897 7679