that KB is a quench piston.check the link!i was waiting to get to this point and say that you need to measure the deck height when the engine is appart to be sure what you have then deck as needed or buy the piston that works.my 2.050CH piston was .060 in the hole.so you need to measure.
there is a KB that is 2.065CH on the summit page.
Part Number: UEM-KB278030-8
Bore (in): 4.350 in.
Bore (mm): 110.490mm
Piston Style: Step head, with a trough
Piston Material: Hypereutectic aluminum
Compression Distance (in): 1.992 in.
Dome Height (in): 0.200 in.
Piston Head Volume (cc): -5.00cc
Wrist Pin Style: Press-fit or floating
Pin Diameter (in): 1.094 in.
Piston Ring Thickness: 5/64 in. x 5/64 in. x 3/16 in.
Quantity: Sold as a set of 8.
Notes: 0.200 inch quench dome height. Piston gram weight 775g, pin gram weight 190g.
Pistons, Hypereutectic, Step, 4.350 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring, Big Block Mopar, Set of 8
here is some stroke info.go to 440/440 kit 1/2 way down.
http://www.440source.com/strokerkits.htmdepending on the cc's of the head and if your block has never been decked.
here is the other piston.
Part Number: UEM-KB237030-8
Bore (in): 4.350 in.
Bore (mm): 110.490mm
Piston Style: Flat top, with two valve reliefs
Piston Material: Hypereutectic aluminum
Compression Distance (in): 2.067 in.
Piston Head Volume (cc): +5.00cc
Wrist Pin Style: Press-fit or floating
Pin Diameter (in): 1.094 in.
Piston Ring Thickness: 5/64 in. x 5/64 in. x 3/16 in.
Quantity: Sold as a set of 8.
Notes: Piston gram weight 770g, pin gram weight 190g.
Pistons, Hypereutectic, Flat, 4.350 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring, Big Block Mopar, Set of 8
here s the KB site link for info.
http://kb-silvolite.com/performance.php?action=details&P_id=27
