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
1/16 x 1/16 x 3/16 rings not included
Compression Ratio 76cc 13.7:1, 82cc 12.8:1, 91cc 11.6:1, 97cc 11.0:1
Advertised piston weight 798 grams, 166 gram wrist pin
OE Deck Height 10.320″
Note: Standard bore size is 4.360
Note: Centered Pin
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