Diamond pistons has a stocking piston to use the 440 crank and 383 rods with 1.94 pin.
with the 440 length rod they go to .990 but if you phone or go through a dealer (better) they will do 1.094 rod.
BIG BLOCK MOPAR 383
4.280 3.750 6.360 1.720 597 1.094 x 2.930 -4.0cc 10.6 9.8 9.5 09024280 51910
4.310 3.750 6.360 1.720 600 1.094 x 2.930 -4.0cc 10.7 9.9 9.6 09024310 51912
BIG BLOCK MOPAR 383 W/ 440 ROD
4.280 3.750 6.768 1.320 call .990 x 2.930 -4.0cc 10.7 9.9 9.6 09024280 51950
4.310 3.750 6.768 1.320 call .990 x 2.930 -4.0cc 10.8 10.0 9.7 9024310 51952
http://www.diamondracing.net/MoParSection.pdfword of caution/advice It cost as much to R&R a stock rod re-size ends new rod bolts not to mention should be polished and shot peened as new after market rods!!
this rod has the .990 pin
http://chucker54.stores.yahoo.net/eagchrysrb411.htmlhttp://www.summitracing.com/parts/ESP-6760B3D/when you get the crank mains cut have them cut down the counter balances 1/8" or so??
pistons at mancini's
http://chucker54.stores.yahoo.net/di104bo3st4.html