10207 Diamond Competition Series Pistons SB Chevy 21° 23° Flat Top 4.040 Bore

Fits Small Block Chevy with 21° - 23° heads, 4.040 Bore, 3.750 Stroke, 6.000 Rod Length, -5.3cc Flat Top, Set of 8 Pistons

$912.92

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

3D milling on piston crowns for a ready to install finish

Inboard forging design for maximum strength

Valve pockets designed to work with most aftermarket 21° - 23° cylinder heads

Moly skirt coating for friction loss and skirt wear protection

Top ring down dimension 0.180"

Ratios figured for 0.040 head gasket @ 9.000 deck

Standard ring package 1.0mm x 1.0mm x 3.0mm (Not Included)

Premium 8620 0.155W wrist pins included chamfered for roundwire locks

Valve pocket depth 0.325" intake and 0.231" exhaust

Will work with an intake valve size of 2.150" and exhaust valve size of 1.625"

Made from 2618 alloy and designed for applications of up to 900hp

No advertized piston weight

Made to order

Compression Ratio:

58cc 11.8:1

64cc 11.0.1

70cc 10.3:1

Specifications

More Information
CNC Part Number	DRP-10207
Price	$912.92
Manufacturer's Part Number	10207
Brands	Diamond
Part Types	Engine Piston
Departments	Parts
Vehicle Make	Chevy SB
Bore Size	4.040
Crankshaft Stroke	3.750
Rod Length	6.000
Piston Type	Flat Top
Compression Height	1.125
Piston Material	2618 Forged
Piston Ring Size	1.0 1.0 3.0mm
Wrist Pin Size	0.927
Custom Notices	⚠ PROP 65 WARNING

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