12356 Diamond Pistons BB Chevy 24/26° Forged Dome 4.560 Bore

Fits BB Chevy, Bore 4.560, Stroke 4.000, Rod Length 6.535, Dome 46cc, Set of 8 Pistons, Made to order

$1,175.47

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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

Forged Diamond Pistons for Pro 3-D 24/26 Degree cylinder heads. Developed for drag racing, they can also be used with small nitrous kits (pin upgrade recommended for nitrous applications). Designed for 2.350" diameter intake valve and 1.900" exhaust valve. Premium 8620 wrist pins are included. Standard 1/16" x 1/16" x 3/16" ring package (Rings not Included). Compression Ratios figured @ 9.800" deck. Gasket volume= 9.7-10.9cc, top ring down from piston crown .250" -.300". Valve relief depths intake .320" intake and .130" exhaust. Pistons work with virtually any open chamber 24 or 26 degree cylinder head with little or no hand blending - except Edelbrock and GM Performance heads..

Compression Ratio with 112cc Heads 15.4:1
Compression Ratio with 118cc Heads 14.4:1
Advertised piston weight 698 grams
Made to order

Specifications

More Information
CNC Part Number	DRP-12356
Price	$1,175.47
Manufacturer's Part Number	12356
Brands	Diamond
Part Types	Engine Piston
Departments	Parts
Vehicle Make	Chevy BB
Bore Size	4.560
Crankshaft Stroke	4.000
Rod Length	6.535
Piston Type	Dome
Compression Height	1.245
Piston Material	2618 Forged
Piston Ring Size	1/16 1/16 3/16
Wrist Pin Size	0.990
Custom Notices	⚠ PROP 65 WARNING

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