Skip to Main Content
Search Suggestions
Menu
Discontinued Product!
The Autolite Xtreme Sport Iridium Spark Plug For Harley Twin Cam / Sportster 1986-2022 (XS4164) has been discontinued and will not be returning.
Replacement Suggestion
Spark Plugs
Out of Stock
Autolite

Autolite Xtreme Sport Iridium Spark Plug For Harley Twin Cam / Sportster 1986-2022 (XS4164)

Item: P1066208
Customer rating is 5 out of 5 stars.
117 Read 117 Reviews Write a Review
Current price: $14.33
Rebate Available! View Details
This product is vehicle specific.
Select a vehicle to ensure fitment.

Looking for a different vehicle? Change vehicle selection

Ways to earn:

OR
Members get up to $15.72 in total value with this purchase.

Cycle Gear Columbus Change Store

Product Details

Autolite Xtreme Sport Iridium Spark Plug

Autolite has engineered these plugs to withstand extreme operating temperatures.

Features:

  • More focused ignition to prevent fouling than leading standard plug
  • .6mm finewire design with Sport V-trim ground electrode engineered to offer improved ignitability and durability over standard plug
  • Up to 26% quicker starts than leading standard plugs
  • More horsepower and better fuel efficiency than standard plug
  • Meets or exceeds OEM design
  • Sold individually
Product Style RevZilla Item # Store Sku MFR. Product # Availability
Product Style XS4164 RevZilla Item #10215449 Store Sku308068 MFR. Product #XS4164 AvailabilityCloseout: This product is no longer available
This product is vehicle specific.
Select a vehicle to ensure fitment.
Fitment Notes & Exceptions
  • Not for 1984 EVO models
This Product Fits
Harley Davidson
Disc Glide FXDG 1983
Disc Glide FXRDG 1984
Electra Glide Classic FLHC 1982
Electra Glide Classic FLHTC/I 1983-1984
Electra Glide Special FLHX 1984
Electra Glide Sport FLHS 1982-1984
Electra Glide Standard FLHT/I 1983-1984
FLH 1982-1984
K 1954
KH 1954-1956
KHK 1955-1956
KHRTT 1955-1957
KR 1955-1964
KRTT 1955-1963
Low Glide/Low Rider FXRS 1982-1984
Low Rider Belt FXSB 1982
Low Rider FXS 1982
Night Rod Special VRSCDX 2007-2017
Night Rod VRSCD 2006-2008
Sport Glide FXRT 1983-1984
Street Rod VRSCR 2006-2007
Sturgis FXB 1982
Super Glide FXE 1982-1984
Super Glide II FXR 1982-1983
Tour Glide Classic FLTC/I 1982-1984
Tour Glide FLT 1982-1984
V-Rod CVO/SE VRSCSE 2005
V-Rod CVO/SE VRSCSE2 2006
V-Rod Muscle VRSCF 2009-2017
V-Rod VRSCA 2002-2006
V-Rod VRSCAW 2007-2010
V-Rod VRSCB 2004-2005
V-Rod VRSCX 2007
Wide Glide FXWG 1982-1984
XL 1957-1978
XLCH 1958-1978
XLCR Café Racer 1977-1978
XLH1000 1972-1978
XLH900 1957-1971
XLR 1959-1960
XLRTT 1958-1966
XLT 1977-1978
Product Description
Part Numbers
Fitment
117 Customer Reviews for All Models
Customer rating is 5 out of 5 stars. 117 total customer reviews 5/5
0 Questions & 0 Answers for All Models
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.

Related Videos

The Indian Larry Twisted Frame Chopper | J&P Custom Motorcycle Builds

150-Horsepower Harley-Davidson | J&P: Custom Motorcycle Builds

124 Cubic Inch Twin Cam FXR | J&P: Custom Motorcycle Builds

The First 8 Things You Should Change When Buying a Harley Davidson

Reviews & Questions

What Riders Are Saying
$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