Interchange between A and LA
 
 Identical Parts: 
Crankshaft 
 Crankshaft  2268  119
 Crank screw  1821  414
 Bushing  53  298
 Oil slinger  1618  686
 Washer  1855  561
 Sprocket  2463  385
 Key  152  191
 ALL CRANK BEARINGS ARE THE SAME, AS WELL AS
 BEARING CAPS, OIL SEALDAMPNERS.
 
Camshafts 
 Eccentric  1618  718
 PLATE, SPROCKET THRUST WASHER, SPROCKET SCREW,
 ALL BEARINGS ARE THE SAME, AS ARE THE TIMING
 CHAIN, CHAIN CASE COVER, GASKET,OIL SEAL AND
 TIMING INDICATOR 2685  451 (before & after 0 degrees
 = .65)
 
Connecting Rods
 The conecting rods, nuts, bolts, bushing, bearings and caps
 are the same.
 
Valve System
 Intake and exhaust valve stem oil shields, springs, retainers,
 and lock are the same.
 
Additionally
 The flywheel and starter ring is the same, as well as the
 drive plate to torque converter plate to crank screws.
 The water pump and distributors swap, and I think the oil
 pump does as well. Speaking of Distributors the Mopar
 Performance Electronic ignition conversion kit works on
 the Poly engines and is a wise move.
 
 Research done by Jason Simanowitz. PPK
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