White Knuckle Racing & Motorcycle Repair , LLC

White Knuckle Racing & Motorcycle Repair , LLC White Knuckle Racing is a Professional Motorcycle Drag Race Team and Motorcycle Repair Garage, Specializing in Harley-Davidson.

Certified Moblie Dyno-Tuning Specialist

Harley's......it's what we ride, it's what we race!!

06/03/2026

DYNO-TUNING DONE RIGHT THE FIRST TIME.
CERTIFIED Dyno Tuning Center





Whiteknuckle Mobile Dyno Tuning Center,
Newcastle, DE
White Knuckle Racing & Motorcycle Repair , LLC @

Harley-Davidson has issued a safety recall for 88,039 motorcycles in the United States as of May 1, 2026, due to a manuf...
05/02/2026

Harley-Davidson has issued a safety recall for 88,039 motorcycles in the United States as of May 1, 2026, due to a manufacturing defect in the airbox backplate. The issue involves a blocked breather port that can lead to an unsafe buildup of pressure within the engine crankcase.

This Upcoming Sunday, April 12th,2026We will be on the move with our Mobile Dyno onsite with our friends at Split Lane C...
04/07/2026

This Upcoming Sunday, April 12th,2026

We will be on the move with our Mobile Dyno onsite with our friends at Split Lane Cycles.

Power Pull's, Food trucks, Vendor's.
What could make it better you ask?
Cash prizes courtesy of Franco, Owner of Split Lane Cycles for biggest numbers.
Remember, the Dyno does the real talking..
Can't wait to see you All there.

CERTIFIED and READY for ALL Your Dyno-Tuning Needs... 302-602-5189 DYNO JET POWERVISION, TECHNO RESEARCH DIRECT LINK,IM...
02/17/2026

CERTIFIED and READY for ALL Your Dyno-Tuning Needs...

302-602-5189

DYNO JET POWERVISION,

TECHNO RESEARCH DIRECT LINK,

IMPACT WIRING SOLUTIONS,

THUNDERMAX

BLACK FRIDAY DISCOUNT 1 WEEK ONLYCALL NOW TO BOOK YOUR DYNO TUNING SESSION302-602-5189
11/25/2025

BLACK FRIDAY DISCOUNT

1 WEEK ONLY

CALL NOW TO BOOK YOUR DYNO TUNING SESSION
302-602-5189

We are the Tri-state's (DE-MD- PA- NJ) Premiere Mobile Dyno Tuning Center. Coming back by Popular Demand DYNO DAYS, CER...
09/18/2025

We are the Tri-state's (DE-MD- PA- NJ) Premiere Mobile Dyno Tuning Center.

Coming back by Popular Demand

DYNO DAYS,
CERTIFIED MASTER TUNER WILL BE ONSIGHT AGAIN.

Limited Spots Available....

09/09/2025

Popping on decel, breaking up on acceleration?

Improve rideability, durability, and fuel mileage.

Call us to book your dyno tuning session today. 302-602-5189

Ride into Bike Week knowing your motorcycle is healthy.

TRI-STATE REGIONS ONLY MOBILE DYNO TUNING CENTER. Call the Shop for Scheduling
04/24/2025

TRI-STATE REGIONS ONLY

MOBILE DYNO TUNING CENTER.

Call the Shop for Scheduling

HAPPY EASTER from our family to yours!!!
04/20/2025

HAPPY EASTER from our family to yours!!!

03/26/2025

DYNOJET DYNOJET DYNOJET

Address

729 Grantham Lane
New Castle, DE
19720

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