Keith Black Pistons KB418-030 Fits AMC 390 Dish 28cc Bore 4.195

Fits AMC 390, Bore 4.195, Stroke 3.574, Rod Length 5.858, Dish 28cc, 2 Valve Relief, Compression Height 1.560, Set of 8 Pistons

$489.25

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SPECIAL ORDER

This product is only available as a special order and is non-returnable.

DROP SHIP

This product is a non-stocking item for CNC-Motorsports and will be shipped directly from the manufacturer / supplier.

⚠ 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.

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Description

Keith Black Hypereutectic pistons are 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 51cc 10.2:1 - 58cc 9.5:1

Advertised piston weight 532 grams, 157 gram wrist pin

OE Deck Height 1968-1968 9.175" and 1970+ 9.208"

Note: Standard bore size is 4.165

Note: Centered pin on both sides. Uses factory 1.000" wrist pin and press pin rod

Specifications

More Information
CNC Part Number	UEM-KB418-030
Price	$489.25
Sold As	Set
Manufacturer's Part Number	KB418-030
Brands	Keith Black
Part Types	Engine Piston
Departments	Parts
Vehicle Make	AMC
Bore Size	4.195
Crankshaft Stroke	3.574
Rod Length	5.858
Piston Type	Dish
Compression Height	1.560
Piston Material	Hypereutectic
Piston Ring Size	5/64 5/64 3/16
Wrist Pin Size	1.000