12728 Diamond Nitrous Pistons BB Chevy 454 24° 26° Dome 4.600 Bore

Fits Big Block Chevy 454 with 24° / 26° heads, 4.600 Bore, 4.375 Stroke, 6.385 Rod Length, 42cc Dome, Set of 8 Pistons

Special Price $1,332.29 Regular Price $1,496.95

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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 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

Valve pockets designed to work with most aftermarket 24° 26° cylinder heads

Vertical gas ports for better ring seal

Top ring down dimensions: 0.325"

Ratios figured for 0.040 head gasket @ 9.800 deck & 10.200 deck

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

Premium H-13 0.205W wrist pins included

Valve pocket depth 0.322" intake and -0.130" exhaust

Will work with an intake valve size of 2.350" and exhaust valve size of 1.900"

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

Compression Ratio:

112cc 14.6:1

118cc 13.8:1

121cc 13.4.1

Specifications

More Information
Price	$1,496.95
Vehicle Make	Chevy BB
Bore Size	4.600
Crankshaft Stroke	4.375
Rod Length	6.385
Piston Type	Dome
Compression Height	1.215
Piston Material	2618 Forged
Piston Ring Size	.043 .043 3/16
Wrist Pin Size	0.990
Custom Notices	⚠ PROP 65 WARNING

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