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Harley-Davidson Sportster Engine Performance Parts

J&P Part: 420-157

Everyday Low Price: $2,344.99

Gold Club Price: What's This? The Gold Club is our premier membership program. For most items members receive 10% off every day, plus exclusive sales and benefits just for members. More Info Add to Cart to View Price

Made in the USA

Product Description:

Compression Ratio: 10.5:1
Displacement Size CI: 74″
Finish: Black
Manufacturer Part Number: 90-0327
Sold in Units: Kit
More Info

Available, usually ships in 11-14 days.

J&P Part: 420-155

Everyday Low Price: $2,249.99

Gold Club Price: What's This? The Gold Club is our premier membership program. For most items members receive 10% off every day, plus exclusive sales and benefits just for members. More Info Add to Cart to View Price

Made in the USA

Product Description:

Compression Ratio: 10.5:1
Displacement Size CI: 74″
Finish: Natural
Manufacturer Part Number: 90-0325
Sold in Units: Kit
More Info

Available, usually ships in 5-7 days.

J&P Part: 420-281

Everyday Low Price: $4,154.99

Gold Club Price: What's This? The Gold Club is our premier membership program. For most items members receive 10% off every day, plus exclusive sales and benefits just for members. More Info Add to Cart to View Price

Made in the USA

Product Description:

Compression Ratio: 10.2:1
Cylinder Bore Size: 3-5/8″
Displacement Size CI: 89 cubic inches
Finish: Natural
Manufacturer Part Number: 90-0353
Material: aluminum
More Info

Available, usually ships in 5-7 days.

J&P Part: 420-282

Everyday Low Price: $4,339.99

Gold Club Price: What's This? The Gold Club is our premier membership program. For most items members receive 10% off every day, plus exclusive sales and benefits just for members. More Info Add to Cart to View Price

Made in the USA

Product Description:

Compression Ratio: 10.2:1
Cylinder Bore Size: 3-5/8″
Displacement Size CI: 89 cubic inches
Manufacturer Part Number: 90-0356
Material: aluminum
Stroker: 4-5/16″
More Info

Available, usually ships in 5-7 days.

J&P Part: 420-283

Everyday Low Price: $4,154.99

Gold Club Price: What's This? The Gold Club is our premier membership program. For most items members receive 10% off every day, plus exclusive sales and benefits just for members. More Info Add to Cart to View Price

Made in the USA

Product Description:

Compression Ratio: 10.2:1
Cylinder Bore Size: 3-5/8″
Displacement Size CI: 89 cubic inches
Finish: Natural
Manufacturer Part Number: 90-0354
Material: aluminum
More Info

Available, usually ships in 5-7 days.

J&P Part: 420-287

Everyday Low Price: $4,154.99

Gold Club Price: What's This? The Gold Club is our premier membership program. For most items members receive 10% off every day, plus exclusive sales and benefits just for members. More Info Add to Cart to View Price

Made in the USA

Product Description:

Compression Ratio: 9.5:1
Cylinder Bore Size: 3-5/8″
Displacement Size CI: 89 cubic inches
Finish: Natural
Manufacturer Part Number: 90-0391
Material: aluminum
More Info

Available, usually ships in 5-7 days.

J&P Part: 433-728

Everyday Low Price: $2,074.99

Gold Club Price: What's This? The Gold Club is our premier membership program. For most items members receive 10% off every day, plus exclusive sales and benefits just for members. More Info $1,867.49

Made in the USA

Product Description:

Adjustable: Yes
Applicable Transmission Speed: 5 Speed
Compression Ratio: 10.25:1 to 10.5:1
Finish: Black
Manufacturer Part Number: 16924
Seal or Gasket: Gasket
More Info

Available, usually ships in 4-6 weeks.

J&P Part: 420-286

Everyday Low Price: $4,339.99

Gold Club Price: What's This? The Gold Club is our premier membership program. For most items members receive 10% off every day, plus exclusive sales and benefits just for members. More Info Add to Cart to View Price

Made in the USA

Product Description:

Compression Ratio: 9.5:1
Cylinder Bore Size: 3-5/8″
Displacement Size CI: 89 cubic inches
Manufacturer Part Number: 90-0393
Material: aluminum
Stroker: 4-5/16″
More Info

Available, usually ships in 4-6 weeks.

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