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Diamond Big Block Chev Flat Top Forged Pistons With Rings (D12077-8)
4.600" bore, 4.750" stroke, 6.700" rod length, -3cc dome volumeD12077-8 - DIAMOND BIG BLOCK CHEVY 4.600"
4.600" bore, 4.750" stroke, 6.700" rod length, -3cc dome volume
Part Number: D12077-8
Piston Specifications:
Block: Big Black Chev
Bore: 4.600"
Stroke: 4.750"
Rod: 6.700"
Comp Heigh: 1.120"
Weight: N/A
Pin: .990 x 2.930"
CC's: Flat Top -3.0cc
Comp Ratio With 112cc Head: 11.0
Comp Ratio With 118cc Head: 10.6
Comp Ratio With 121cc Head: 10.4
Ring Set: 09024600
Piston Features:
3D milling on piston crowns for ready to install finish
Valve pockets designed to work with most aftermarket 24°/26° cylinder heads
Top ring down dimension: .290"-.320"
Ratios figured for .040 head gasket @ 9.800 Deck & 10.200 Deck
Standard 1/16 x 1/16 x 3/16 ring package
Premium 8620 .185W wrist pins included
Valve pocket depth: 0.310" intake
Will work with up to a intake valve size of 2.300" and exhaust valve size of 1.880"
Made from 2618 alloy