70221-R1-8 Diamond Pistons BB Chevy 24° 26 ° Marine Dish 4.560 Bore

Fits Big Block Chevy 24-26 degree, 4.560 Bore, 4.000 Stroke, 6.385 Rod Length, -18cc Dish, Set of 8 Pistons and Rings, Made to order

$1,367.81

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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 engine with a set of Diamond Pistons

3D milling on piston crowns for ready to install finish

D shaped dish design for ideal quench for marine grade gas applications

Moly skirt coating for friction loss and skirt wear protection

Top ring down dimension: 0.300"

Ratios figured for 0.041 head gasket

Premium 1.5mm x 1.5mm x 4.0mm ring package included

Premium 8620 0.185W wrist pins chamfered for roundwire locks included

Valve pocket depth: 0.325" intake and 0.000" exhaust

2618 material

No advertized piston weight

Made to order

Compression Ratio:

110cc 8.6:1

118cc 8.2:1

124cc 7.9:1

Specifications

More Information
CNC Part Number	DRP-70221-R1-8
Price	$1,367.81
Manufacturer's Part Number	70221-8
Brands	Diamond
Part Types	Engine Piston
Departments	Parts
Vehicle Make	Chevy BB
Bore Size	4.560
Crankshaft Stroke	4.000
Rod Length	6.385
Piston Type	Dish
Compression Height	1.395
Piston Material	2618 Forged
Piston Ring Size	1.5 1.5 4.0mm
Wrist Pin Size	0.990
Custom Notices	⚠ PROP 65 WARNING