I'm cribing this directly from Mopar Muscle. Earlier talk about Mopar polys made me did through some back issues. Here goes! 1962 318 poly. .090 overbore for an even 4.0 size Mopar performance 4in. stroker crank for LA318/340 (PN P5007256) = 402c.i. poly engine!!! Honed and decked the block. Deck height was 8.248 ARP studs and bolts used. Special order dpt. (805) 525-1497 Parts like 4 bolt mains from RAM Racing Engines.(804) 846-0043 360 rods shot peened, polished and bushed. ARP rod bolts (PN ARP 144-6001) Hardened Clevite rod berings (PN CB481H) JE pistons. no part number given. Might be custom jobs. At .010 in the hole with 74cc chambers, yeilds 10.1 to 1 compression. Small .927 wrist pin + Childs & Alberta Dura Moly rings (PN 9343-35) Internaly balenced the crank Clevite 340 berings (PN MS1344P) Minor block clearancing. Melling High volume oil pump (PN M72HV) Milodon windage tray (PN 32230) Rollmaster timing set (PN MRE1262) BHJ damper (PN BHJMP-IB816) hydraulic cam 290 deg./492in lift cam (234 @.500 with 110 LDA) from ChrisNeilson. (800)341-2267 Crower valve springs (PN 68305-1) Crower keepers (PN 86107-1) Crower bushings (PN 90927) Manley retainers (PN 23645-16) Sealed Power stem seals (rubber PC type PN ST2012) Rocker Arm Specialists blueprinted arms at 1.5 ratio (530) 378-1075 Port and polish (yer on yer own for this one) custom Ferra Valves 2.02/1.60 with a narrow 5/16th stem 3 angle valve job with Nylen guides (PN 6850) Wieand Steath intake (PN 7503) Holly 750 double pumper Your on your own for headers. Splitfire Headers have some aplications. Fel-Pro full gasket set (PN FS7734PT-2) Use RTV on intate ends. 70 primary jets. 83 secondary jets. 34 deg. advance All in all this will give you 397 HP @6,000 RPM and 442 FT of torque @ 4400RPM Well I hope that gives some leads to poly parts. I may have some things listed wrong (don't shout!) If you need more info on phone numbers or other things just ask. I'm lazy and heavly paraphrased this magazine feature. Just one more reason not to run a 350 SBC.