Very RARE and hard to find 1966 WS tripower 4spd as most 1965 blocks are cracked thru the lifter valley. Date J-xx-4 This is for the rebuilt short block,but we do have the matching heads and intake for this engine.The block was baked blasted magged bored & honed .030 oversize custom forged pistons as there are no good off the shelf pistons for 389 and boring .060 over and using std. 400 pistons is dumb as the valve pockets are in the wrong location. decked crankshaft ground .010-.010 rods resized with new arp rod bolts premium moly rings clevite bearings Pontiac's best 068 camshaft roller timing set internal bal. brass soft plugs only proven premium parts have been used. Be sure to look at our other listings if you don't see what your looking for give us a call as we have a large inventory.if we don't have it we may be able to get it for you.150.00 to crate picture is generic.We do a lot of Pontiac parts and engines from stock to 572 C.I.D.but can supply you with kits and parts for any make or year give us a try you might be surprised be sure to check our other listings.Autobohn Engines The Pontiac Guys 616 897 7679;4-8 weeks picture is generic built to order ANY QUESTIONS EMAIL US YOUR NUMBER as we can't have ours in listing anymore sorry