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ATHENA Piston Kit S4F10000007A

Part Number: 09100255
ATHENA
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SKU:
09100255
UPC:
8055681309470
MPN:
S4F10000007A
Condition:
New
Availability:
Ships Same Business Day
Weight:
0.95 LBS
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MSRP: $240.95
Now: $217.00
Was: $240.95
— You save $23.95

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Description

A precision piston kit is fundamental to engine reliability and performance—poor quality pistons lead to blow-by, reduced compression, and catastrophic failure under load. The ATHENA S4F10000007A delivers OEM-equivalent dimensional accuracy and material integrity, ensuring your engine maintains peak power delivery and longevity. This complete kit eliminates the guesswork of sourcing individual components, giving you everything needed for a proper rebuild in one package.

Whether you're refreshing a tired engine or building a high-revving race motor, this piston kit provides the precision fit and durability demanded by serious racers and mechanics. The inclusion of rings, clips, and pins means no hunting for compatible hardware—just straightforward installation with detailed guidance included.

  • Complete piston kit
  • Includes rings
  • Includes clips and pin
  • Step-by-step instructions
  • MPN: S4F10000007A
  • OEM-equivalent tolerances
  • Ready for installation
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Specs

COMPRESSION RATIO IMPERIAL:
11.6:1
PISTON SIZE METRIC:
STANDARD SIZE A
PISTON DIAMETER METRIC:
99.95 MM
RIDING STYLE:
ATV
PRODUCT NAME:
PISTON
RIDING STYLE:
OFF-ROAD
STYLE:
BIG BORE
ENGINE TYPE:
4-STROKE
UNITS:
EACH
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Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

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