61201 Diamond Pistons Oldsmobile 455 Forged Flat Top 4.155 Bore

Fits Oldsmobile 455, Bore 4.155, Stroke 4.250, Rod Length 6.735, Flat Top -1.3cc, Set of 8 Pistons, Made to order

$1,279.15

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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 new engine with a set of Diamond Pistons

Designed for use with OEM & Aftermarket cylinder heads

Ratios figured for .040 head gasket @ 10.625 deck

Premium 1/16 1/16 3/16 ring package available.

Premium 8620 .155" wall wrist pins included

Top Ring down = .200"

Accommodates a maximum intake valve size of 2.150"

Valve relief depth= .075" intake and symetrical exhaust

Compression Ratio with 77cc Heads 11.3:1

Piston weight / 560 Grams
Made to order

Specifications

More Information
CNC Part Number	DRP-61201
Price	$1,279.15
Sold As	Set
Manufacturer's Part Number	61201
Brands	Diamond
Part Types	Engine Piston
Departments	Parts
Vehicle Make	Oldsmobile
Bore Size	4.155
Crankshaft Stroke	4.250
Rod Length	6.735
Piston Type	Flat Top
Compression Height	1.750
Piston Material	4032 Forged
Piston Ring Size	1/16 1/16 3/16
Wrist Pin Size	0.984
Custom Notices	⚠ PROP 65 WARNING

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