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Keith Black Pistons S1639HC-040 in our Pistons Department


Keith Black Pistons

Part Number

11/29/2033 6:10 PM
Cyber Monday Price


Out of Stock

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Product Details

Keith Black Pistons S1639HC-040 in our Pistons Department

KB PERFORMANCE PISTONS Single Hyper-Coated Piston -5.0L GM (V8) 1985-90

Products specifications

Bore (in)

3.840 in.

Bore (mm)



Compression Calculator

Compression Distance (in)

1.605 in.


Coated skirt. 0.270 inch deep recessed piston head.

Pin Diameter (in)

0.981 in.

Piston Material

Hypereutectic aluminum

Piston Ring Thickness

5/64 in. x 5/64 in. x 3/16 in.

Piston Style

Dish, with a D-shaped cup


Sold individually.


Stroker Combinations

Wrist Pin Style


Great site ease of use and greaT PRICING - THANK YOU

Easy web searching and good quality parts for reasonable price..customer friendly too!!!!!!

Great selection and fast shipping. Not to meantion the lowest prices anywhere on the net.

Excellent Service! Product shipped out the day after being processed and was sent via overnight delivery. Autoplicity also offered the lowest cost available for the product online.

Very good prices and incredibly fast shipping. Shipping costs were a bit high but I would definitely use them again!

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