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KB Hypereutectic Pistons · KB370KTM.030

KB Hypereutectic Pistons KB370KTM.030

Part #: KB370KTM.030
UPC: 800745169419

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Brand: KB Hypereutectic Pistons Series: KB Hyper Piston and Ring Kits

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Description: KB Hyper Piston & Ring Kit - Pontiac 389, 6.625" Rod, Flat Top +3.5cc 2V

Description

KB Hyper Piston & Ring Kit - Pontiac 389, 6.625" Rod, Flat Top +3.5cc 2V

Features & benefits

For use with 20deg heads, Pre-1966. Will not work with 14deg heads. Check small end of rod to piston before assembly / .045" clearance per side minimum. Distance between pin bosses is approx. 1.375"

Specifications

GTIN: 00800745169419
Weight: 14 lb
Height: 5 in
Length: 22.5 in
Width: 10 in
Life cycle: Available to Order
AAM brand code: KBP
Warehouse brand code: BJDT
AAIA brand code: BJDT

Attributes

Alloy: Cast 390 Hypereutectic Alloy
Base Number: KB370
Bore (in): 4.0626
Bore (mm): 103.2
Bore Diameter: 103.2
Compression Ratio: 71-10.7, 87-9.2, 96-8.5, 111-7.6
Crown (cc): +3.5cc
Crown Type: FLAT TOP 1V
Cylinder Bore Diameter: 4.0626
Eng. Disp Liters: 6.4
Eng. Disp. In.: 389
Eng. Disp. Liters: 6.4
Engine Family: Pontiac V8
Engine Manufacturer: Pontiac
Exhaust Valve Depth/diameter: .237/2.100
Grade Type: Performance
Intake Valve Depth/diameter: .237/2.100
Lock: PRH107-3
Make For Engine Family: General Motors
Oe Deck Height: 10.25
Oversize: .030
Oversized: Yes
Oversizes: .030 .040 .060
Pin Configuration: Centered
Pin Diameter (in): .980
Pin Diameter (mm): 24.9
Pin Number: 0980x300K
Pin Type: Press or Floating
Piston Material: Cast 390 Hypereutectic Alloy
Ring Pack: 5/64, 5/64, 3/16
Rod (in): 6.625
Rod (mm): 168.275
Sold As: Complete Piston and Ring Kit
Stroke (in): 3.75
Stroke (mm): 95.3
Top Land: .200
Year From: 1959
Year Range: 1959-1966
Year To: 1966

Fitment status

This product is universal and will fit your application.

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