70028-8 Diamond Pistons Marine Mercury 8.1L Replacement Flat Top 4.250 Bore

Fits Mercury 8.1L 496 Mag, 4.250 Bore, 4.370 Stroke, 6.695 Rod Length, -0.4cc Flat Top, Set of 8 Pistons and Rings

Special Price $1,365.99 Regular Price $1,534.82

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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 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 # 735-883515002 (Port)

Direct replacement piston for the Mercury / Quicksilver Part # 735-881592002 (Starboard)

Moly skirt coating for friction loss and skirt wear protection

Top ring down dimension: 0.200"

Ratios figured for 0.051 head gasket

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

Premium 8620 0.165W wrist pins chamfered for roundwire locks included

Valve pocket depth: 0.125" intake and 0.000" exhaust

4032 material

575 grams advertized piston weight

Compression Ratio:

118cc 8.9:1

Specifications

More Information
Price	$1,534.82
Vehicle Make	Marine, Mercury
Bore Size	4.250
Crankshaft Stroke	4.370
Rod Length	6.695
Piston Type	Flat Top
Compression Height	1.365
Piston Material	4032 Forged
Piston Ring Size	1.5 1.5 4.0mm
Wrist Pin Size	1.040
Custom Notices	⚠ PROP 65 WARNING

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