K2-3271-4030 Boss 331 Stroker Small Block Ford 289 - 302 K2-FX Series -13cc Dish Top Boss/Canted Forged Piston Set. 4.030 bore
K2-3271-4030 Boss 331 Stroker Small Block Ford 289 - 302 K2-FX Series -13cc Dish Top Boss/Canted Forged Piston Set. 4.030 bore
K2-3271-4030 Boss 331 Stroker Small Block Ford 289 - 302 K2-FX Series -13cc Dish Top Boss/Canted Forged Piston Set. 4.030 bore
Load image into Gallery viewer, K2-3271-4030 Boss 331 Stroker Small Block Ford 289 - 302 K2-FX Series -13cc Dish Top Boss/Canted Forged Piston Set. 4.030 bore
Load image into Gallery viewer, K2-3271-4030 Boss 331 Stroker Small Block Ford 289 - 302 K2-FX Series -13cc Dish Top Boss/Canted Forged Piston Set. 4.030 bore
Load image into Gallery viewer, K2-3271-4030 Boss 331 Stroker Small Block Ford 289 - 302 K2-FX Series -13cc Dish Top Boss/Canted Forged Piston Set. 4.030 bore

SKU: K2-3271-4030

K2-3271-4030 Boss 331 Stroker Small Block Ford 289 - 302 K2-FX Series -13cc Dish Top Boss/Canted Forged Piston Set. 4.030 bore

$934.95
$934.95
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Ships in 1 - 8 days

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.

Boss 331 Stroker Small Block Ford 289 - 302 K2-FX 2618 Alloy With Rings Comp Hgt: 1.165" -13cc Dish Top Boss/Canted Pin: .927 Ring Grooves: 1.2/1.2/3MM Stroke: 3.250" Rod: 5.400" Boost and NOS Ready! (Moderate to High Levels) Aprox Comp Ratio: 58cc-9.57, 61cc-9.26, 64cc-8.97

Engine Brand: Ford

Engine Family: Small Block Ford 289 - 302

Engine Size: Boss 331 Stroker

With/Without Rings: Includes Rings

Cylinder Bore Size: 4.030 in - 102.28 mm

Ring Width: 1.2/1.2/3MM

Compression Height: 1.165"

Pin Diameter: .927

Connecting Rod Length: 5.400"

Crankshaft Stroke: 3.250"

Piston Series: 2-FX Series

Alloy: Forged 2618

Cylinder Head: 351 Cleveland \ Boss Open & Closed Chamber

TDC Assembly Height: 8.190

Piston Top Aprox. Comp. Ratio:

-13cc Dish Top Boss/Canted
ChamberComp. Ratio
58cc9.57 to 1
61cc9.26 to 1
64cc8.97 to 1

Download Piston Instructions

Piston Specs

Engine Brand: Ford

Engine Family: Small Block Ford 289 - 302

Engine Size: Boss 331 Stroker

With/Without Rings: Includes Rings

Cylinder Bore Size: 4.030 in - 102.28 mm

Ring Width: 1.2/1.2/3MM

Compression Height: 1.165"

Pin Diameter: .927

Connecting Rod Length: 5.400"

Crankshaft Stroke: 3.250"

Piston Series: 2-FX Series

Alloy: Forged 2618

Cylinder Head: 351 Cleveland \ Boss Open & Closed Chamber

TDC Assembly Height: 8.190

Piston Top Aprox. Comp. Ratio:

-13cc Dish Top Boss/Canted
ChamberComp. Ratio
58cc9.57 to 1
61cc9.26 to 1
64cc8.97 to 1

Download Piston Instructions

Engine Power TV

The DSS FX, X-Groove Feature