New Arrivals for Fall: Shop Now

Up to 60% Off Discount Depot Sale. Shop Now

Get $15 Cash, Free 2 Day Shipping & More Perks With RPM*

JavaScript Disabled

To get the full Cycle Gear experience, enable JavaScript in your browser settings and refresh this page.

1966 Harley Davidson FLHFB Parts & Accessories

12ProductsProduct

Stock fitment for this vehicle

Front Tire: 130/90-16
Rear Tire: 130/90-16
Air Filter: View All
Oil Filter: View All
Front Brake Pads: View All
Rear Brake Pads: View All
Battery: YHD-12
Spark Plug: R5670-5

For reference only, please consult your owner’s manual to confirm your fitment.

Search by vehicle

Autolite Copper Resistor Spark Plug For Harley 1948-1974

Fits your 1966 Harley Davidson FLHFB

Autolite Copper Resistor Spark Plug For Harley 1948-1974

Drag Specialties Performance Spark Plugs For Harley Big Twin 1948-1974

Fits your 1966 Harley Davidson FLHFB

Drag Specialties Performance Spark Plugs For Harley Big Twin 1948-1974

$13^.²¹$13.47

NGK Spark Plugs For Harley Big Twin 1948-1974

Fits your 1966 Harley Davidson FLHFB

NGK Spark Plugs For Harley Big Twin 1948-1974

$8^.⁴⁶

Members save 4%

Video Available

NGK Spark Plugs - Iridium IX

NGK Spark Plugs - Iridium IX

$10^.²⁴$68^.⁴²$12.05$80.51

Members save 24%

Video Available

NGK Spark Plugs - Laser Iridium

NGK Spark Plugs - Laser Iridium

$14^.⁷⁶$140^.⁵⁶$17.37$165.42

Members save 24%

Video Available

NGK Spark Plugs - Standard

NGK Spark Plugs - Standard

$2^.⁵¹$24^.⁸⁷$2.95$29.23

Members save 23%

Video Available

NGK Spark Plugs - Resistor

NGK Spark Plugs - Resistor

$2^.⁹²$22^.⁰⁹$3.43$25.95

Members save 23%

Video Available

NGK Spark Plugs - Special Types

NGK Spark Plugs - Special Types

$2^.⁶⁶$59^.²⁵$3.13$69.72

Members save 24%

Video Available

NGK Spark Plugs - G & GV Racing

NGK Spark Plugs - G & GV Racing

$7^.¹⁴$10^.¹⁶$8.40$11.95

Members save 24%

Video Available

NGK Standard Spark Plugs

NGK Standard Spark Plugs

$3^.⁷⁴$22^.⁰⁶$4.40$25.95

Members save 24%

Video Available

Autolite Xtreme Sport Iridium Spark Plug XS4302

Autolite Xtreme Sport Iridium Spark Plug XS4302

Champion D16 Copper Spark Plug For Harley EL / FL / WL 1936-1973

Champion D16 Copper Spark Plug For Harley EL / FL / WL 1936-1973

$3^.⁹⁶

$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! Add RPM to cart

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.