Keith Black Pistons KB181-060 Fits SBF 351W Dish 22cc 4.060 Bore

Fits SB Ford 351W, Bore 4.060 Stroke 3.500, Rod Length 5.956, Dish 22cc, 2 Valve Reliefs, Compression Height 1.774, Set of 8 Pistons

Special Price $501.49 Regular Price $509.13

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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 55cc 9.6:1, 60cc 9.1:1, 64cc 8.8:1, 69cc 8.4:1

Advertised piston weight 625 grams, 143 gram wrist pin

OE Deck Height 9.500"

Note: Standard bore size is 4.000

Note: Centered Pin. Pre-71 blocks .020 shorter, not enough stock to clean up

Specifications

More Information
CNC Part Number	UEM-KB181-060
Price	$509.13
Manufacturer's Part Number	KB181-060
Brands	Keith Black
Part Types	Engine Piston
Departments	Parts
Vehicle Make	Ford SB
Bore Size	4.060
Crankshaft Stroke	3.500
Rod Length	5.956
Piston Type	Dish
Compression Height	1.774
Piston Material	Hypereutectic
Piston Ring Size	5/64 5/64 3/16
Wrist Pin Size	0.912
Custom Notices	⚠ PROP 65 WARNING