12520 Diamond Pistons BB Chevy Brodix Head Hunter MC Forged Dome 4.500 Bore

BB Chevy, Bore 4.500, Stroke 4.250, Rod Length 6.385, Dome 48cc, Set of 8 Pistons, Made to order

$1,484.14

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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

Designed for use with Brodix Head Hunter 383-395 MC cylinder heads. 3D milling on piston crowns for ready to install finish. Side gas ports for maximum ring seal. Top ring down dimension: 0.300". Ratios figured for .040 head gasket @ 9.800 & 10.200 deck height. Premium .043 x .043 x 3.0mm ring package. Premium H-13 .185W wrist pins included. Valve pocket depth: 0.340" intake and -0.080" exhaust. Made from 2618 alloy. Will work with up to an intake valve side of 2.400" and exhaust valve side of 1.900".

Compression Ratio with 112cc Heads 14.6:1
Compression Ratio with 118cc Heads 13.6:1
Advertised piston weight 643 grams
Made to order

Specifications

More Information
CNC Part Number	DRP-12520
Price	$1,484.14
Sold As	Set
Manufacturer's Part Number	12520
Brands	Diamond
Part Types	Engine Piston
Departments	Parts
Vehicle Make	Chevy BB
Bore Size	4.500
Crankshaft Stroke	4.250
Rod Length	6.385
Piston Type	Dome
Compression Height	1.270
Piston Material	2618 Forged
Piston Ring Size	.043 .043 3mm
Wrist Pin Size	0.990
Custom Notices	⚠ PROP 65 WARNING