AUTOTEC SMALL BLOCK CHEVY 23° 4.125" FORGED PISTON SET #1000187

Part # 1000187

$663.00

AutoTec, Small Block Chevy 23° 4.125", Flat Top, two valve reliefs, 4.145 Bore 3.750 Stroke 1.425 Comp HT

CALL TO ORDER  714-903-4362


Specifications

Engine Family Small Block Chevy 23° 4.125"
CID/Ltr 405/6.6
Bore Inch 4.145
Bore mm 105.28
Stroke Inch 3.75
Stoke mm 95.25
Rod Length 5.7
Comp Dist 1.425
Crown Volume -5cc
CR 1 12.5 @ 58cc
CR 2 11.6 @ 64cc
CR 3 10.8 @ 70cc
Alloy 4032
Weight 512
Pin 0.927
Oil Rails Included N/A
Top Ring 1.5mm
2nd Ring 1.5mm
Oil Ring HT 3.0mm
Piston Style Flat Top, two valve reliefs

Item# Description
1000187

$663.00


compression calculator

Please fill in the details below to calculate the compression ratio for your engine. Accurate inputs will give the best results. Once you’ve filled out the form, click “Calculate” to see your engine's compression ratio.

dome volume to compression ratio


compression ratio to dome volume


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