Keith Black Pistons KB355-030 Fits SBF 331 Dish 10cc Bore 4.030

Fits SB Ford 331, Bore 4.030, Stroke 3.250, Rod Length 5.400, Dish 10cc, 2 Valve Reliefs, Compression Height 1.170, Set of 8 Pistons

$443.98

Piston Options

KB355KTM Ring Set + $105.00

KB355KTD Ring Set + $110.00

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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

1/16 x 1/16 x 3/16 rings not included

Compression Ratio 55cc 10.3:1, 60cc 9.7:1, 64cc 9.2:1, 69cc 8.8:1

Advertised piston weight 461 grams, 143 gram wrist pin

OE Deck Height 8.206"

Note: Standard bore size is 4.000

Note: Centered Pin, 3.0" long. Spacer ring included. Made with Ford 302 block

Specifications

More Information
CNC Part Number	UEM-KB355-030
Price	$443.98
Manufacturer's Part Number	KB355-030
Brands	Keith Black
Part Types	Engine Piston
Departments	Parts
Vehicle Make	Ford SB
Bore Size	4.030
Crankshaft Stroke	3.250
Rod Length	5.400
Piston Type	Dish
Compression Height	1.170
Piston Material	Hypereutectic
Piston Ring Size	1/16 1/16 3/16
Wrist Pin Size	0.927
Custom Notices	⚠ PROP 65 WARNING