Spinner KustomTech oil filler cap for pre-2000 Harley: the classic revisited
Harleys from before 2000 possess a unique charm, and they deserve parts worthy of their legendary status. This polished brass Spinner KustomTech oil filler cap with a stainless steel dipstick is designed specifically for models up to 1999 with a sidefill oil tank. A true mechanical gem that elevates Evos, Shovelheads, and all Milwaukee classics.
Specific to pre-2000 models
Please note, this cap is not interchangeable with the post-2000 model (ref. 10-009). The thread and dimensions are specific to Harley-Davidson oil tanks manufactured up to 1999. If you ride an Evo Softail, FXR, or Shovelhead with a factory-installed side-fill oil tank, this is the model you need.
Billet brass and stainless steel gauge
The CNC-machined billet brass body with a mirror-polished finish exudes that characteristic golden warmth that perfectly complements the chrome engines of classic Harleys. The stainless steel dipstick allows for quick and easy oil level checks, combining elegance and functionality in a single accessory.
A cohesive look for your classic
Combine this oil cap with the Spinner fuel caps from the same range for a perfectly coordinated look. On an Evo or Shovelhead with chrome crankcases, the polished brass finish creates a stunning contrast that's sure to turn heads at the rally or bar meet. It's the kind of detail that makes connoisseurs say your build is meticulously planned from start to finish.
Technical characteristics
Material: CNC machined billet brass. Gauge: Stainless steel. Finish: Mirror polished. Compatible: Harley-Davidson sidefill oil tank up to 1999. Part number: 10-008. Made in Italy by KustomTech.
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Technical specifications — KustomTech polished brass spinner oil filler cap with dipstick for Harley up to 1999
- Brand: KustomTech (Italy)
- Material: Brass
- finish: Poli
- Manufacturing: CNC machining from solid stock (Italian workshop)
- Official distributor in France: Holdfast Marseille
- Shipping time: 48 hours from Marseille
Compatibility of Harley Davidson fuel and oil caps
Compatible with all Harley Davidson models: Sportster 883/1200 (1991+), Dyna, Softail, Touring (Road King, Street Glide). For Touring models with a lock or Tour Pak, please check the exact model on the product page.
Installation
Direct plug: unscrew the old cap, screw in the KustomTech. For weld-on caps, a mini welder on the tank is required (typically 30-45 minutes at a specialist).
FAQ — Fuel and oil caps
Is it waterproof?
Yes. High-density nitrile rubber O-ring + precision machined threads = not a leak. E10 fuel and 4-stroke engine oil resistance tested.
Is the thread compatible?
Standard Harley Davidson thread (left-hand thread for the fuel cap on most models). Check the exact model on the product page before ordering.
Difference between screw-on and weld-on?
The screw-on cap = 30-second installation, plug-and-play. The weld-on cap = total customization, requires welding on a custom tank (chopper bobber).
Why buy from Holdfast Marseille?
- Official distributor of KustomTech France since 2019
- Permanent stock in Marseille, 48-hour shipping within mainland France
- Free delivery on orders over €150
- Responsive customer service from Marseille (no returns from Italy)
- KustomTech 2-year warranty
- Expert biker advice: call +33 6 45 57 84 26
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