Keith Black Claimer Pistons 9906HC-040 Fits SBC 383 Flat Top 5cc Bore 4.040

Fits SB Chevy 383, Bore 4.040, Stroke 3.750, Rod Length 5.700, Flat Top 5cc, 2 Valve Relief, Compression Height 1.433, Set of 8 Pistons

Special Price $329.03 Regular Price $334.04

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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 Claimer Pistons offer performance quality for the budget racer or street/performance applications. Hypereutectic 390 alloy with 16% Silicone. All pistons include True-Arc lock Rings which can be used with floating or press pin rod applications

Cast in symmetrical valve reliefs

Tru-Arc Lock Rings

CNC machined pin bores produce straight and accurately sized bores

Accumulator Groove aids with compression ring seal

Cast in Oil Returns

Diamond Finished Skirts

Molykote Skirt Coating

Wrist pins and spiral lock included

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

Compression Ratio 58cc 12.0:1, 62cc 11.4:1, 64cc 11.1:1, 76cc 9.8:1

Advertised piston weight 547 grams, 107 gram wrist pin

OE Deck Height 9.025"

Note: Standard bore size is 4.000

Note: 2 symmetrical valve reliefs, centered pin. Coated Skirt. Now supplied with lockrings so the piston can be either full floating or press pin. Made with Chevy SB 350

Specifications

More Information
CNC Part Number	UEM-9906HC-040
Price	$334.04
Manufacturer's Part Number	9906HC-040
Brands	Keith Black
Part Types	Engine Piston
Departments	Parts
Vehicle Make	Chevy SB
Bore Size	4.040
Crankshaft Stroke	3.750
Rod Length	5.700
Piston Type	Flat Top
Compression Height	1.433
Piston Material	Hypereutectic
Piston Ring Size	5/64 5/64 3/16
Wrist Pin Size	0.927
Custom Notices	⚠ PROP 65 WARNING