K1-3275-4060 Boss 331 Stroker Small Block Ford 289 - 302 K1-FX Series +7.5cc Dome Top Cleveland Open & Closed Chamber Forged Piston Set. 4.060 bore
K1-3275-4060 Boss 331 Stroker Small Block Ford 289 - 302 K1-FX Series +7.5cc Dome Top Cleveland Open & Closed Chamber Forged Piston Set. 4.060 bore
K1-3275-4060 Boss 331 Stroker Small Block Ford 289 - 302 K1-FX Series +7.5cc Dome Top Cleveland Open & Closed Chamber Forged Piston Set. 4.060 bore
Load image into Gallery viewer, K1-3275-4060 Boss 331 Stroker Small Block Ford 289 - 302 K1-FX Series +7.5cc Dome Top Cleveland Open & Closed Chamber Forged Piston Set. 4.060 bore
Load image into Gallery viewer, K1-3275-4060 Boss 331 Stroker Small Block Ford 289 - 302 K1-FX Series +7.5cc Dome Top Cleveland Open & Closed Chamber Forged Piston Set. 4.060 bore
Load image into Gallery viewer, K1-3275-4060 Boss 331 Stroker Small Block Ford 289 - 302 K1-FX Series +7.5cc Dome Top Cleveland Open & Closed Chamber Forged Piston Set. 4.060 bore

SKU: K1-3275-4060

K1-3275-4060 Boss 331 Stroker Small Block Ford 289 - 302 K1-FX Series +7.5cc Dome Top Cleveland Open & Closed Chamber Forged Piston Set. 4.060 bore

$904.95
$904.95
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Made in the USA

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Boss 331 Stroker Small Block Ford 289 - 302 K1-FX 4032 Alloy With Rings Comp Hgt: 1.165" +7.5cc Dome Top Cleveland Open & Closed Chamber 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-12.70, 61cc-12.14, 64cc-11.62

Engine Brand: Ford

Engine Family: Small Block Ford 289 - 302

Engine Size: Boss 331 Stroker

With/Without Rings: Includes Rings

Cylinder Bore Size: 4.060 in - 103.05 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: 1-FX Series

Alloy: Forged 4032

Cylinder Head: 351 Cleveland \ Boss Open & Closed Chamber

TDC Assembly Height: 8.190

Piston Top Aprox. Comp. Ratio:

+7.5cc Dome Top Cleveland Open & Closed Chamber
ChamberComp. Ratio
58cc12.70 to 1
61cc12.14 to 1
64cc11.62 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: 4.060 in - 103.05 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: 1-FX Series

Alloy: Forged 4032

Cylinder Head: 351 Cleveland \ Boss Open & Closed Chamber

TDC Assembly Height: 8.190

Piston Top Aprox. Comp. Ratio:

+7.5cc Dome Top Cleveland Open & Closed Chamber
ChamberComp. Ratio
58cc12.70 to 1
61cc12.14 to 1
64cc11.62 to 1

Download Piston Instructions

Engine Power TV

The DSS FX, X-Groove Feature