Description
Keith Black Hypereutectic pistons are a great choice for high performance marine, drag race, circle track, street or towing application builds. The low expansion 390 alloy with 16 percent silicon allows for a tighter piston to wall running clearance.
Fully machined head and valve reliefs
Triple Spiral Lock Rings
CNC machined pin bores produce straight and accurately sized bores
Accumulator Groove aids with compression ring seal
Machined in Oil Returns
Diamond Finished Skirts
Mini Grooves to reduce scuffing and overheating
Wrist pins and spiral lock included
5/64 x 5/64 x 3/16 rings not included
Compression Ratio 96.5cc 11.1:1, 105cc 10.2:1, 108cc 9.9:1, 119cc 9.0:1
Advertised piston weight 612 grams, 158 gram wrist pin
OE Deck Height 9.800″
Note: Standard bore size is 4.125
Note: 0.180″ hollow dome. Centered Pin. Made from Chevy 396 Block, 454 Crank. Closed Chamber Head. Will fit Edelbrock 110cc Heads
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