Keith Black Pistons KB399-STD Fits SB Chrysler 318 Dome 6cc Bore 3.910

Fits SB Chrysler 318, Bore 3.910, Stroke 3.310, Rod Length 6.123, Dome 6cc, 2 Valve Relief, Compression Height 1.810, Set of 8 Pistons

Special Price $504.18 Regular Price $511.86

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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

Keith Black Hypereutectic pistons are a great choice for high performance marine, drag race, circle track, street or towing application builds. The low expansion 390 alloy with 16 percent silicon allows for a tighter piston to wall running clearance.

Fully machined head and valve reliefs

Triple Spiral Lock Rings

CNC machined pin bores produce straight and accurately sized bores

Accumulator Groove aids with compression ring seal

Machined in Oil Returns

Diamond Finished Skirts

Mini Grooves to reduce scuffing and overheating

Wrist pins and spiral lock included

5/64 x 5/64 x 3/16 rings not included

Compression Ratio 57cc 12.2:1, 60cc 11.7:1, 64cc 11.0:1, 68cc 10.4:1

Advertised piston weight 552 grams, 132 gram wrist pin

OE Deck Height 9.578"

Note: Standard bore size is 3.910

Note: Centered Pin. Piston is .010" above 9.578" deck. Does not fit Edelbrock 65cc heads

Specifications

More Information
CNC Part Number	UEM-KB399-STD
Price	$511.86
Manufacturer's Part Number	KB399-STD
Brands	Keith Black
Part Types	Engine Piston
Departments	Parts
Vehicle Make	Chrysler SB
Bore Size	3.910
Crankshaft Stroke	3.310
Rod Length	6.123
Piston Type	Dome
Compression Height	1.810
Piston Material	Hypereutectic
Piston Ring Size	5/64 5/64 3/16
Wrist Pin Size	0.984
Custom Notices	⚠ PROP 65 WARNING