10307 Diamond Nitrous Pistons SB Chevy 350 400 23° Flat Top 4.060 Bore

Fits Small Block Chevy 350 400 with 23° heads, 4.060 Bore, 4.000 Stroke, 5.850 Rod Length, -5.1cc Flat Top, Set of 8 Pistons

$1,325.05

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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

Designed to work with most aftermarket 23° cylinder heads

Top ring down dimensions: 0.250" - 0.300"

Ratios figured for 0.040 head gasket @ 9.000 deck

Premium 0.043 x 1/16 x 3/16 ring package (Not Included)

1.000CD & 1.062CD use premium 0.043 x 1/16 x 3/16 ring package

Vertical gas ports for better ring seal

Premium H-13 0.205W wrist pins included

Valve pocket depth 0.322" intake and 0.217" exhaust

Will work with an intake valve size of 2.125" and exhaust valve size of 1.625"

Made from 2618 alloy and designed for small-medium nitrous levels (Up to 450HP)

No advertized piston weight

Crankshaft counterweights man need to be modified to clear the bottom of pin boss of the piston

Made to order

Compression Ratio:

58cc 12.2:1

64cc 11.4.1

70cc 10.7.1

Specifications

More Information
CNC Part Number	DRP-10307
Price	$1,325.05
Manufacturer's Part Number	10307
Brands	Diamond
Part Types	Engine Piston
Departments	Parts
Vehicle Make	Chevy SB
Bore Size	4.060
Crankshaft Stroke	4.000
Rod Length	5.850
Piston Type	Flat Top
Compression Height	1.140
Piston Material	2618 Forged
Piston Ring Size	.043 1/16 3/16
Wrist Pin Size	0.927
Custom Notices	⚠ PROP 65 WARNING

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