In warehouse stock
Revolution Performance, Llc Piston Kit — Flat-Top — For 139" Monster Big Bore Cylinder Kit — 107" M8
- Top-quality custom-forged piston kits manufactured with high-strength aluminum alloy
- Include pistons with skirt coating, rings, chrome piston pins, and retainer clips
- High-tech manufacturing ensures greater operating strength and lower expansion at high temperatures
- High-tension compression rings with 3.000 mm oil scrapper rails
- Offset pin design for smoother operation
$783.95
In stock. Ships in 2–4 business days · free shipping over $150.
View cart & check out →
Questions? Call the shop: 801-361-3010
Real shop · real humans · 1231 N 1300 W Ste A, Centerville, UT 84014
Description & features9 features
With line-to-line coated skirts for zero install clearance.
- Top-quality custom-forged piston kits manufactured with high-strength aluminum alloy
- Include pistons with skirt coating, rings, chrome piston pins, and retainer clips
- High-tech manufacturing ensures greater operating strength and lower expansion at high temperatures
- High-tension compression rings with 3.000 mm oil scrapper rails
- Offset pin design for smoother operation
- Replacement ring sets sold as a set for one piston
- Made in the USA
- Intended for use with Revolution cylinder kits only.
- Not recommended for use with cast-iron/ductile-sleeved cylinders.
Specifications11 specs
- Riding Style
- Street
- Stroke Length
- 4.375"
- Compression Ratio
- 11.2:1
- Piston Head Shape
- Flat Top
- Type
- Monster Big Bore
- Bore Size
- 4.500"
- Units
- Kit
- Displacement
- 139"
- Shipping weight
- 3.9 lb
- Package size
- 12.1 × 8.3 × 4.5 in
- Country of origin
- USA
Fitment37 models · Harley-Davidson
Harley-Davidson37 models
- Electra Glide Police FLHTPI2017–2021
- FLDE Deluxe 1072018–2020
- FLFB Fat Boy 1072018–2019
- FLFBS Fat Boy 1142018–2021
- FLH Electra Glide Revival2021
- FLHC Heritage Classic 1072018–2021
- FLHCS Heritage Classic 1142018–2021
- FLHR Road King2017–2021
- FLHRXS Road King Special2017–2021
- FLHT Electra Glide Standard2019–2021
- FLHTCU Electra Glide Ultra Classic2017–2019
- FLHTCUTG Tri Glide Ultra2017–2021
- FLHTCUTGSE CVO Tri Glide2020–2021
- FLHTK Ultra Limited2017–2021
- FLHTKL Ultra Limited Low2017–2019
- FLHTKSE CVO Limited2017–2021
- FLHX Street Glide2017–2021
- FLHXS Street Glide Special2017–2021
- FLHXSE CVO Street Glide2017–2021
- FLRT Freewheeler2017–2021
- FLSB Sport Glide 1072018–2021
- FLSL Softail Slim 1072018–2021
- FLTRK Road Glide Limited2020–2021
- FLTRU Road Glide Ultra2017–2019
- FLTRX Road Glide2017–2021
- FLTRXS Road Glide Special2017–2021
- FLTRXSE CVO Road Glide2018–2021
- FXBB Street Bob 1072018–2020
- FXBBS Street Bob 1142021
- FXBR Breakout 1072018–2019
- FXBRS Breakout 1142018–2020
- FXDRS FXDR 1142019–2020
- FXFB Fat Bob 1072018–2019
- FXFBS Fat Bob 1142018–2021
- FXLR Low Rider 1072018–2020
- FXLRS Low Rider S 1142020–2021
- FXST Softail Standard 1072020–2021
Fitment comes from the distributor’s catalog. Double-check your year, model and trim before you order — or call the counter at 801-361-3010 and we’ll check it with you.
Part numbers
- Salto part #
- 0910-6382
- Revolution Performance, Llc part #
- RP301-600
Shipping
In stock at a distributor warehouse. Ships in 2–4 business days by ground.
Ground shipping is $14.95, free on orders over $150. Stock is re-checked with the warehouse before your card is charged.
Questions4 answers
- Is it in stock?
- Yes — the distributor shows it on a shelf at a regional warehouse right now. We check again the moment you order, before anything is charged.
- How fast will it get to me?
- Usually 2–4 business days by ground.
- Will it fit my machine?
- The distributor lists it for the models in the Fitment section above. Not sure about your trim or year? Call the counter at 801-361-3010 and we’ll check it with you.
- Is this genuine Revolution Performance, Llc?
- Yes. It ships new from the same distributors the big online stores buy from — Revolution Performance, Llc part #RP301-600.
