Product images and videos are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Engines and Components› Pistons and Piston Rings
Wiseco
Wiseco 4 Stroke Forged Series Piston, 3.518 in. Bore
SKU: W00C 4727P2
Advanced — 4+ hours
Overview
Show original supplier description
Part #: 4727P2
V-Twin performance has been around since some of the earliest days of motorcycle racing and engine modification, and Wiseco has been there since the beginning. Applying over 80 years of experience, Wiseco has fine-tuned its V-Twin pistons for each specific engine platform to optimize performance and durability. From reliable rebuilds to all-out race, Wiseco has the pistons for your V-Twin build.
Features:
- Engineered, forged, and machined in the USA in Mentor, OH
- Improved tensile strength of forged material optimizes strength and service life
- Designed and built specifically for each V-Twin engine platform
- Optimized compression ratio to fit your build and performance goals
- Wrist pin, rings and circlips included
Wiseco 4 Stroke Forged Series Piston, 3.518 in. Bore
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Vehicle Symptoms
- Excessive oil consumption after warm-up
- Knocking or ticking noise from engine
- Loss of compression on one or more cylinders
- Rough idle and reduced power output
- Blue exhaust smoke on startup
Relevant Conversations
- HD Evo 80 low compression fix
- Wiseco 1340 piston kit 4727P2 review
- Harley bottom end rebuild symptoms
- Blue smoke from exhaust after warmup
- Wiseco vs JE pistons for Evo build
- Upgrade pistons for more torque on Evo
- Shaking at idle after rebuild
- Engine knocking on deceleration Evo
- Best piston kit for 1340 Evo rebuild
- Evo engine loss of power uphill
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Wiseco |
| Part Number | W00C 4727P2 |
Videos
This mistake can cost you thousands! #harleydavidson #motorcycle #engineering #pistons
Part 03.2 How to install piston cylinder OEM method on a Harley v-twin S&S Revtech EVO
Setting Piston Ring End Gaps : Pro Tip
Harley Evo cold star SE pistons 10:1
1984-99 80ci #101 evolution piston fitting and cylinder honing Harley FXR Dyna softail FLH FLT
How to Install: S&S Cycle Winter Power Pack (Part 1) Big Bore Kit
USE NEW VIDEO LINK IN DESCRIPTION How to install piston cylinder trick method Harley S&S Revtech
Twin Cam Series: 13 How to install a Piston and Cylinder on a Harley S&S TP Revtech Jims Ultima
Harley Evo Engine Cylinder Honing | Honing Evolution Jugs
100" Big Bore Kit & Individual Cylinder Tuning
About MOTORMIA
Buy with Confidence
Returns & Fitment
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return PolicyShipping
Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.
Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.
View Full Shipping Policy