70056-R1-8 Diamond Pistons Marine Mercury 8.2L Replacement Dome 4.470 Bore

Fits Mercury 500 / 525EFI Dome, 4.470 Bore, 4.000 Stroke, 6.135 Rod Length, 3.3cc Dome, Set of 8 Pistons and Rings

$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

Direct replacement piston for the Mercury / Quicksilver Part # 737-827664 (8.2L Mag/MPI Gen 6)

Direct replacement piston for the Mercury / Quicksilver Part # 700-8M0005739 (500 EFI and 525 EFI)

Moly skirt coating for friction loss and skirt wear protection

Top ring down dimension: 0.302"

Ratios figured for 0.051 head gasket

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

Premium 8620 0.155W wrist pins chamfered for roundwire locks included

Valve pocket depth: 0.280" intake and 0.000" exhaust

4032 material

688 grams advertized piston weight

Compression Ratio:

118cc 8.6:1

Specifications

More Information
CNC Part Number	DRP-70056-R1-8
Price	$1,367.81
Manufacturer's Part Number	70056-8
Brands	Diamond
Part Types	Engine Piston
Departments	Parts
Vehicle Make	Marine, Mercury
Bore Size	4.470
Crankshaft Stroke	4.000
Rod Length	6.135
Piston Type	Dome
Compression Height	1.645
Piston Material	4032 Forged
Piston Ring Size	1.5 1.5 4.0mm
Wrist Pin Size	0.990
Custom Notices	⚠ PROP 65 WARNING

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