Load image into Gallery viewer, K3-3720-4030C-383C - Boss Stroker-Small Block Ford 351C FXK3 Series -3cc Flat Top  351 Cleveland \ Boss Open & Closed Chamber-Forged-Piston-Set- 4.03 inch bore
Load image into Gallery viewer, K3-3720-4030C-383C - Boss Stroker-Small Block Ford 351C FXK3 Series -3cc Flat Top  351 Cleveland \ Boss Open & Closed Chamber-Forged-Piston-Set- 4.03 inch bore
Load image into Gallery viewer, K3-3720-4030C-383C - Boss Stroker-Small Block Ford 351C FXK3 Series -3cc Flat Top  351 Cleveland \ Boss Open & Closed Chamber-Forged-Piston-Set- 4.03 inch bore
Load image into Gallery viewer, K3-3720-4030C-383C - Boss Stroker-Small Block Ford 351C FXK3 Series -3cc Flat Top  351 Cleveland \ Boss Open & Closed Chamber-Forged-Piston-Set- 4.03 inch bore

SKU: K3-3720-4030C

K3-3720-4030C-383C - Boss Stroker-Small Block Ford 351C FXK3 Series -3cc Flat Top 351 Cleveland \ Boss Open & Closed Chamber-Forged-Piston-Set- 4.03 inch bore

Regular price $1,114.95
Sale price $1,114.95 Regular price
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Made in the USA

Made in the USA

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383C - Boss Stroker Small Block Ford 351C FX Comp Height: 1.19 -3cc Flat Top PIN: .927 Ring Groove: 1.2/1.2/3MM Stroke: 4 ROD: 6 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: 58cc-13.05, 64cc-12.09, 70cc-11.27


Engine Brand: Ford

Engine Family: Small Block Ford 351C

Engine Size: 383C - Boss Stroker

With/Without Rings: Includes Rings

Cylinder Bore Size: 4.030 in - 102.28 mm

Ring Width: 1.2/1.2/3MM

Compression Height: 1.190

Pin Diameter: .927

Connecting Rod Length: 6.000 in

Crankshaft Stroke: 4.000 in

Piston Series: 3 - FX Series

Alloy: Forged 2618

Cylinder Head: 351 Cleveland \ Boss Open & Closed Chamber

TDC Assembly Height: 9.19

Piston Top Aprox. Comp. Ratio:

-3cc Flat Top 351 Cleveland \ Boss Open & Closed Chamber
ChamberComp Ratio
58cc13.05 to 1
64cc12.09 to 1
70cc11.27 to 1

Download Piston Instructions

Piston Specs

Engine Brand: Ford

Engine Family: Small Block Ford 351C

Engine Size: 383C - Boss Stroker

With/Without Rings: Includes Rings

Cylinder Bore Size: 4.030 in - 102.28 mm

Ring Width: 1.2/1.2/3MM

Compression Height: 1.190

Pin Diameter: .927

Connecting Rod Length: 6.000 in

Crankshaft Stroke: 4.000 in

Piston Series: 3 - FX Series

Alloy: Forged 2618

Cylinder Head: 351 Cleveland \ Boss Open & Closed Chamber

TDC Assembly Height: 9.19

Piston Top Aprox. Comp. Ratio:

-3cc Flat Top 351 Cleveland \ Boss Open & Closed Chamber
ChamberComp Ratio
58cc13.05 to 1
64cc12.09 to 1
70cc11.27 to 1

Download Piston Instructions

Engine Power TV

The DSS FX, X-Groove Feature