Piston Kits and Components

PROX PISTON KIT KX450F 15

$ 189.95

Only 1 left in stock

PISTON KIT KX450F 15

Part #: 09103909

PROX quality guaranteed.

Available for ship to store or drop ship.

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Free Shipping on New Part orders over $100

PROX PISTON KIT KX450F 15

Product Specifications

Weight	0.85 lbs
Part Number	09103909
Punctuated Part Number	0910-3909
Vendor Part Number	014415C
Vendor Punctuated Part Number	01.4415.C
Commodity Code	0910
Commodity Group	ENGINE GROUP
Commodity Type	PISTON & RING KITS
MPN	09103909
Brand	PROX
Available Since	December 15, 2014

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Product Description

Knobtown Cycle stocks the PROX PISTON KIT KX450F 15 to keep your bike performing at its best.

Key Features

Kit includes piston, rings, wrist pin and circlips
Precision machined on state of the art CNC equipment
Made with low expansion, low friction alloy

Product Specifications

Part Number: 09103909
Brand: PROX
Weight: 0.85 lbs

Expert Installation Services

Professional installation services available. Contact our Kansas City service department! Free Ship to Store!

Part Locations

Location	Available
Wisconsin (WI)	1
New York (NY)	0
Texas (TX)	0
Nevada (NV)	0
North Carolina (NC)	0
National Total	1

Stock levels last updated: January 30, 2026 8:09 PM

Professional Installation Available

Knobtown Cycle offers professional installation services. Contact us via a service request to learn more.

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Thank you for Shopping at Knobtown Cycle!

When you shop with us, you’re not just buying motorcycle parts — you’re supporting a small, family-run business rooted right here in the heartland of America. Every order helps us keep riders on the road and fuels our passion for serving the motorcycle community.
From all of us at Knobtown Cycle, thank you for choosing local and riding with us.

Kit Fox – Owner Knobtown Cycle

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Need help with installation? Our Service Department based in Kansas City, Missouri is here for you. Fill out a Service Request and lets get you rolling!