11781 Diamond Pistons Chevy 400 Forged Dome 4.145 Bore

SB Chevy 400, Bore 4.145, Stroke 4.000, Rod Length 6.000, Dome 8cc, Set of 8 Pistons

$1,207.44

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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.

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Description

Diamond Street/Strip Small Block Chevy 23 Degree Dome Pistons are great circle track or street/strip shelf pistons. Designed for N/A or small nitrous applications. They fit most 23 Degree cylinder heads. Ratios are configured @ 9.000" deck height. Standard 1/16" x 1/16" x 3/16" ring package (Rings not Included). Premium 8620 wrist pins included. Gasket volume = 9.1cc, top ring down= .180" @ 1.000" to 1.187"; .210" @ 1.218" to 1.550", valve relief depths = .285" intake and .200" exhaust.

Compression Ratio with 64cc Heads 14.5:1
Compression Ratio with 70cc Heads 13.3:1
Advertised piston weight 450 grams

Specifications

More Information
CNC Part Number	DRP-11781
Price	$1,207.44
Sold As	Set
Manufacturer's Part Number	11781
Brands	Diamond
Part Types	Engine Piston
Departments	Parts
Vehicle Make	Chevy SB
Bore Size	4.145
Crankshaft Stroke	4.000
Rod Length	6.000
Piston Type	Dome
Compression Height	1.000
Piston Material	4032 Forged
Piston Ring Size	1/16 1/16 3/16
Wrist Pin Size	0.927
Custom Notices	⚠ PROP 65 WARNING

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