11931 Diamond Pistons Chevy 400 Forged Race Dome 4.165 Bore

Fits SB Chevy 400, Bore 4.165, Stroke 3.750, Rod Length 6.000, Dome 13cc, Set of 8 Pistons, Made to order

$1,294.92

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⚠ PROP 65 WARNING

⚠ WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer. Please contact us to obtain a list of harmful chemicals. For more information, go to www.P65Warnings.ca.gov.

Description

Diamond Race Dome pistons for Small Block Chevy are designed for Circle track, Drag race or nitrous applications. They fit most 23 Degree cylinder heads. Ratios are configured @ 9.000" deck height. Standard .043" x .043" x 3.0mm ring package (Rings not Included) with side gas ports for better ring seal. Premium 4130 wrist pins are included. Gasket volume = 9.2cc, top ring down= .250", valve relief depths = .320" intake and .220" exhaust

Compression Ratio with 64cc Heads 14.7:1
Compression Ratio with 70cc Heads 13.5:1
Advertised piston weight 494 grams
Made to order

Specifications

More Information
CNC Part Number	DRP-11931
Price	$1,294.92
Manufacturer's Part Number	11931
Brands	Diamond
Part Types	Engine Piston
Departments	Parts
Vehicle Make	Chevy SB
Bore Size	4.165
Crankshaft Stroke	3.750
Rod Length	6.000
Piston Type	Dome
Compression Height	1.125
Piston Material	2618 Forged
Piston Ring Size	.043 .043 3.0mm
Wrist Pin Size	0.927
Custom Notices	⚠ PROP 65 WARNING

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