21011 Diamond Pistons BB Chevy 20° Competition Forged Dome 4.625 Bore

Fits BB Chevy, Bore 4.625, Stroke 4.500, Rod Length 6.385, Dome 27.94cc, Set of 8 Pistons

$1,197.72

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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 Pistons are some of the best aftermarket pistons on the market. Trust your new engine with a set of Diamond Pistons

Designed for use with Brodix SR20 and Dart 20 Degree cylinder heads

Vertical gas ports for maximum ring seal

Inboard forging design for maximum strength

Suitable for small to medium nitrous applications

Moly skirt coating included

Premium .043 x .043 x 3mm Total Seal AP ring package available

Premium Trend H-13.185" wall tool steel wrist pins included

Top Ring down = .280" - .295" on 1.065 C/D

Accommodates a maximum intake valve size of 2.400" and exhaust valve size of 1.800"

Valve relief depth= .345" intake and -.030" exhaust

Compression Ratio with 95cc Heads 16.0:1
Call for piston weight

Specifications

More Information
CNC Part Number	DRP-21011
Price	$1,197.72
Manufacturer's Part Number	21011
Brands	Diamond
Part Types	Engine Piston
Departments	Parts
Vehicle Make	Chevy BB
Bore Size	4.625
Crankshaft Stroke	4.500
Rod Length	6.385
Piston Type	Dome
Compression Height	1.155
Piston Material	2618 Forged
Piston Ring Size	.043 .043 3.0mm
Wrist Pin Size	0.990
Custom Notices	⚠ PROP 65 WARNING

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