Keith Black Claimer Pistons 9911HC-STD Fits SBC 400 Flat Top 5cc Bore 4.125

Fits SB Chevy 400, Bore 4.125, Stroke 3.750, Rod Length 5.700, Flat Top -5cc, 2 Valve Relief, Compression Height 1.433, Set of 8 Pistons

Special Price $309.45 Regular Price $314.16

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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 55cc 13.1:1, 58cc 12.6:1, 64c 11.7:1, 76cc 10.3:1

Advertised piston weight 549 grams, 107 gram wrist pin

OE Deck Height 9.025"

Note: Standard bore size is 4.125

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

Specifications

More Information
CNC Part Number	UEM-9911HC-STD
Price	$314.16
Manufacturer's Part Number	9911HC-STD
Brands	Keith Black
Part Types	Engine Piston
Departments	Parts
Vehicle Make	Chevy SB
Bore Size	4.125
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