Keith Black Pistons KB237-STD Fits BB Chrysler 440 Flat Top 9cc Bore 4.320

Fits BB Chrysler 440, Bore 4.320, Stroke 3.750, Rod Length 6.768, Flat Top 9cc, 2 Valve Reliefs, Compression Height 2.067, Set of 8 Pistons

$528.10

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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 72cc 11.2:1, 80cc 10.3:1, 84cc 10.0:1, 88cc 9.6:1

Advertised piston weight 774 grams, 190 gram wrist pin

OE Deck Height 10.725"

Note: Standard bore size is 4.320

Note: Centered Pin

Specifications

More Information
CNC Part Number	UEM-KB237-STD
Price	$528.10
Manufacturer's Part Number	KB237-STD
Brands	Keith Black
Part Types	Engine Piston
Departments	Parts
Vehicle Make	Chrysler BB
Bore Size	4.320
Crankshaft Stroke	3.750
Rod Length	6.768
Piston Type	Flat Top
Compression Height	2.067
Piston Material	Hypereutectic
Piston Ring Size	5/64 5/64 3/16
Wrist Pin Size	1.094
Custom Notices	⚠ PROP 65 WARNING