Skip to Main Content

Safety Hub: A Guide to Gear Ratings, Certifications, Airbags & Tech

New Arrivals for Spring: Shop 2026 Releases

Lean into your RPM Benefits: 5% Cash Back, Free Shipping and More

My Store
Cycle Gear ColumbusStore Details
Open Tomorrow At 10am
3635 West Broad Street
Columbus, Ohio 43228
614-869-3115
Over 170 Stores! Change your store.
What’s going on at Cycle Gear
Services
Experienced staff support available on site
Store Events
Meet the local riding community for Bike Nights & more
Shop the Store
Find out what’s in stock and ready to go
Columbus
My Store
Cycle Gear ColumbusStore Details
Open Tomorrow At 10am
3635 West Broad Street
Columbus, Ohio 43228
614-869-3115
Over 170 Stores! Change your store.
What’s going on at Cycle Gear
Services
Experienced staff support available on site
Store Events
Meet the local riding community for Bike Nights & more
Shop the Store
Find out what’s in stock and ready to go
F216DFA3-1CFF-4B9B-9A3E-BCB1D82A7E3E@1x Shop Your Ride
Search Suggestions
View All Results
Menu

This product is vehicle specific. Click here to select your vehicle to ensure fitment.

S&S Cycle

S&S Cycle Piston Kit 3.437" Bore, 8:1 For Harley 1941-1978

Customer rating is out of 5 stars. Write a Review
Current price: $469.95
Fast Lane
Members get up to $38.50 in total value with this purchase.

Ships Free to Cycle Gear Stores!

Ship to an Address:
Please select a to view availability.

Quantity

Pick-up in Store:
Cycle Gear Columbus Check Nearby Stores

Add To Wish List
The Cycle Gear Difference
  • Free Shipping Over $49.99
  • 30-Day Best Price Guaranteed
  • No-Hassle Returns View Details
Read More

This product is vehicle specific. Click here to select your vehicle to ensure fitment.

Fitment Notes & Exceptions
  • This product is not legal for street use on an emissions-controlled vehicle. It may be used on dedicated competition or pre-pollution-controlled vehicles only.
  • This product is not legal for street use on an emissions-controlled vehicle. It may be used on dedicated competition or pre-pollution-controlled vehicles only.

    • This Product Fits:

    Harley Davidson
    F 1941-1950
    FL 1941-1965
    FLF 1953-1964
    FLFB 1965, 1966, 1967, 1968, 1969
    FLHB 1965, 1966, 1967, 1968, 1969
    FLHF 1955-1972
    FLHFB 1965, 1966, 1967, 1968, 1969
    Servi-Car (G) 45ci 1941-1973
    U 1941-1948
    UL 1941-1948
    WL 1950, 1951
    Product Style Item # Store SKU Manufacturer Product # Availability
    Product Style S&S Cycle Piston Kit 3.437" Bore, 8:1 For Harley 1941-1978 Item # 1181864 Store SKU Manufacturer Product # 106-5495 Availability In Stock: Ships next business day
    Join now & get rewarded!

    Get Free 2-Day Shipping and $15 + 5% RPM Cash on this order.

    Already enrolled in RPM? Link your existing membership here.
    Join Now Learn More
    $39.99/yr.
    Spend Less. Ride More.
    • 5% RPM Cash Back*
    • 10% Off Over 70 Brands
    • $15 in RPM Cash When You Join
    • Free 2-Day Shipping & Free Returns*
    • And more!
    Become a member today! Learn More
    By purchasing and enrolling in Riders Preferred Membership, you agree to the Program Terms and Conditions. *Some exclusions apply: 10% RPM discount applies on full price and sale price Exclusive Brands. 10% RPM discount applies on additional select brands at full price. Exclusions apply. RPM free 2-day shipping applies on qualifying items, contiguous U.S. only. Not available for AK, HI, or U.S. Territories. View shipping policies. RPM free returns apply on qualifying items and are processed on standard return timeline, contiguous U.S. only. View return policy.