K3-6303-4080-340-Small Block Mopar FXK3 Series -16cc Dish Top Small Block Mopar-Forged-Piston-Set- 4.08 inch bore
K3-6303-4080-340-Small Block Mopar FXK3 Series -16cc Dish Top Small Block Mopar-Forged-Piston-Set- 4.08 inch bore
K3-6303-4080-340-Small Block Mopar FXK3 Series -16cc Dish Top Small Block Mopar-Forged-Piston-Set- 4.08 inch bore
K3-6303-4080-340-Small Block Mopar FXK3 Series -16cc Dish Top Small Block Mopar-Forged-Piston-Set- 4.08 inch bore
Load image into Gallery viewer, K3-6303-4080-340-Small Block Mopar FXK3 Series -16cc Dish Top Small Block Mopar-Forged-Piston-Set- 4.08 inch bore
Load image into Gallery viewer, K3-6303-4080-340-Small Block Mopar FXK3 Series -16cc Dish Top Small Block Mopar-Forged-Piston-Set- 4.08 inch bore
Load image into Gallery viewer, K3-6303-4080-340-Small Block Mopar FXK3 Series -16cc Dish Top Small Block Mopar-Forged-Piston-Set- 4.08 inch bore
Load image into Gallery viewer, K3-6303-4080-340-Small Block Mopar FXK3 Series -16cc Dish Top Small Block Mopar-Forged-Piston-Set- 4.08 inch bore

SKU: K3-6303-4080

K3-6303-4080-340-Small Block Mopar FXK3 Series -16cc Dish Top Small Block Mopar-Forged-Piston-Set- 4.08 inch bore

$1,054.95
$1,054.95
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Ships in 1 - 8 days

Made in the USA

Made in the USA

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This is a pre order item. We will ship it when it comes in stock.

340 Small Block Mopar FX Comp Height: 1.802 -16cc Dish Top PIN: .984 Ring Groove: 1/16-1/16-3/16" Stroke: 3.31 ROD: 6.123 Forged and Machined in Saint Charles Illinois USA! Boost and NOS Ready! (Moderate to Extreme Levels) Boost and NOS Ready! (Moderate to High Levels) Includes matching DSS Racing XP Severe Duty ring set. Comp Ratio: 62cc-9.19, 64cc-9.00, 72cc-8.34


Engine Brand: Mopar

Engine Family: Small Block Mopar

Engine Size: 340

With/Without Rings: Includes Rings

Cylinder Bore Size: 4.080 in - 103.55 mm

Ring Width: 1/16-1/16-3/16"

Compression Height: 1.802

Pin Diameter: .984

Connecting Rod Length: 6.123 in

Crankshaft Stroke: 3.310 in

Piston Series: 3 - FX Series

Alloy: Forged 2618

Cylinder Head: Small Block Mopar

TDC Assembly Height: 9.58

Piston Top Aprox. Comp. Ratio:

-16cc Dish Top Small Block Mopar
ChamberComp Ratio
62cc9.19 to 1
64cc9 to 1
72cc8.34 to 1

Download Piston Instructions

Piston Specs

Engine Brand: Mopar

Engine Family: Small Block Mopar

Engine Size: 340

With/Without Rings: Includes Rings

Cylinder Bore Size: 4.080 in - 103.55 mm

Ring Width: 1/16-1/16-3/16"

Compression Height: 1.802

Pin Diameter: .984

Connecting Rod Length: 6.123 in

Crankshaft Stroke: 3.310 in

Piston Series: 3 - FX Series

Alloy: Forged 2618

Cylinder Head: Small Block Mopar

TDC Assembly Height: 9.58

Piston Top Aprox. Comp. Ratio:

-16cc Dish Top Small Block Mopar
ChamberComp Ratio
62cc9.19 to 1
64cc9 to 1
72cc8.34 to 1

Download Piston Instructions

Engine Power TV

The DSS FX, X-Groove Feature