350 BASED engine (4.000 bore x 3.480 Stroke) press or floating pin, coated skirt. Pistons sold in sets of 8,
Sealed Power® Digital Diamond Profiled™ Pistons are perfect for engine builders looking for ways to build a cleaner-burning, longer-lasting vintage Chevy SB engine. This advanced piston technology lets rebuilders equip this popular engine with the ultimate in modern piston materials and engineering – while still keeping that classic engine “classic.” Sealed Power
DDP Pistons feature:
DDP™ Technology: Digital actuated diamond turning process produces precision skirt profiles.
Ring dimensions 5/64, 5/64, 3/16Flat Top; 4 valve reliefsCompression dist 1.560Deck Clearance .025Skirt Clearance .0010
Compression ratio by CYL head CC
Part number
CID
58.0cc
64.cc
68.cc
72.cc
76.cc
H345DCP
350
9.85
9.24
8.88
8.55
8.24
H345DCP20
353
9.93
9.31
8.95
8.61
8.31
H345DCP30
355
9.97
9.35
8.99
8.65
8.34
H345DCP40
357
10.01
9.39
9.02
8.68
8.37
H345DCP60
361
10.09
9.46
9.09
8.75
8.44