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FAST INSTALL ON WHEELS AND TIRES AT OUR MARIETTA GA SHOP

AS LITTLE AS $10 DOWN WITH ACIMA — NO CREDIT NEEDED

FINANCE WITH AFFIRM — PAY OVER TIME

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1585 ROSWELL RD, MARIETTA, GA 30062 — (678) 400-6467

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Road Runner Wheels & Tires
Speedometer Calibrator | Inline | Ram 1500/2500/3500 2WD/4WD (2019-2023)

Rough Country · Authorized Dealer

Speedometer Calibrator | Inline | Ram 1500/2500/3500 2WD/4WD (2019-2023)

Part #: 90047UPC: 843030105389Brand: Rough Country

$199.95

Price does not include installation.

Pay over time

Acima $7/wk*Apply As little as $10 down Snap Finance /wk*Apply No credit needed
Synchrony Pay Later Choose at checkout

*Estimated lease-to-own payment. Final approval and terms are determined by the lender. See all financing options →

🛠️ Install available in Marietta, GA

Installed and serviced at Road Runner Wheels & Tires — 1585 Roswell Rd, Marietta, GA 30062. Call (678) 400-6467 to schedule.

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Call (678) 400-6467

Speedometer Calibrator | Inline | Ram 1500/2500/3500 2WD/4WD (2019-2023) by Rough Country.

Fits: 2019-2020 Ram 3500 · 2019-2020 Ram 3500 · 2019-2021 Ram 1500 · 2019-2021 Ram 1500 · 2019-2021 Ram 2500 · 2019-2021 Ram 2500 · 2019-2022 Ram 3500 · 2019-2022 Ram 3500 · 2019-2023 Ram 1500 · 2019-2023 Ram 1500 · 2019-2023 Ram 1500 · 2019-2023 Ram 1500 and more.

Installed and serviced at Road Runner Wheels & Tires. Free fitment guidance. Call (678) 400-6467 to confirm fitment for your year, make and model.

Features

  • Corrects Speedometer for Larger Tires: Accurately recalibrates your speedometer to reflect true speeds after upgrading to oversized tires.
  • Hassle-Free Plug & Play Installation: Simple, tool-free connection makes setup quick and effortless.
  • Optimizes OE ECM Shift Points: Automatically adjusts factory transmission shift points for smoother performance with larger tires.
  • Stabilizes Electronic Stability Control: Recalibrates your ESC system to maintain factory-like handling and safety with bigger tires.
  • Easy Return to Stock Settings: Conveniently restore factory calibrations at any time.
  • Backed by a 1-Year Warranty: Drive with confidence knowing your purchase is protected.
YearsMakeModelDrive
2019-2020Ram3500 Laramie Longhorn4WD
2019-2020Ram3500 Laramie LonghornRWD
2019-2021Ram1500 Laramie Longhorn4WD
2019-2021Ram1500 Laramie LonghornRWD
2019-2021Ram2500 Laramie Longhorn4WD
2019-2021Ram2500 Laramie LonghornRWD
2019-2022Ram3500 Lone Star4WD
2019-2022Ram3500 Lone StarRWD
2019-2023Ram1500 Big Horn4WD
2019-2023Ram1500 Big HornRWD
2019-2023Ram1500 HFERWD
2019-2023Ram1500 Laramie4WD
2019-2023Ram1500 LaramieRWD
2019-2023Ram1500 Limited4WD
2019-2023Ram1500 LimitedRWD
2019-2023Ram1500 Lone Star4WD
2019-2023Ram1500 Lone StarRWD
2019-2023Ram1500 Rebel4WD
2019-2023Ram1500 RebelRWD
2019-2023Ram1500 Tradesman4WD
2019-2023Ram1500 TradesmanRWD
2019-2023Ram2500 Big Horn4WD
2019-2023Ram2500 Big HornRWD
2019-2023Ram2500 Laramie4WD
2019-2023Ram2500 LaramieRWD
2019-2023Ram2500 Limited4WD
2019-2023Ram2500 LimitedRWD
2019-2023Ram2500 Lone Star4WD
2019-2023Ram2500 Lone StarRWD
2019-2023Ram2500 Power Wagon4WD
2019-2023Ram2500 Tradesman4WD
2019-2023Ram2500 TradesmanRWD
2019-2023Ram3500 Big Horn4WD
2019-2023Ram3500 Big HornRWD
2019-2023Ram3500 Laramie4WD
2019-2023Ram3500 LaramieRWD
2019-2023Ram3500 Limited4WD
2019-2023Ram3500 LimitedRWD
2019-2023Ram3500 SLT4WD
2019-2023Ram3500 SLTRWD
2019-2023Ram3500 Tradesman4WD
2019-2023Ram3500 TradesmanRWD
2020-2021Ram1500 Special Service4WD
2021-2021Ram1500 Longhorn4WD
2021-2021Ram1500 LonghornRWD
2021-2023Ram1500 Limited Longhorn4WD
2021-2023Ram1500 Limited LonghornRWD
2021-2023Ram2500 Limited Longhorn4WD
2021-2023Ram2500 Limited LonghornRWD
2021-2023Ram3500 Limited Longhorn4WD
2021-2023Ram3500 Limited LonghornRWD
2022-2023Ram1500 HFE4WD
2023-2023Ram2500 Rebel4WD
  • Install time: 1-2 hours

Installation instructions (PDF)

Download the latest software update here .
Fits both gas and diesel models.
This programmer is designed to function as a standalone unit and is NOT compatible with any type of performance programmer.
Does NOT fit 2020+ models with parking assist.
Does NOT fit models with digital instrument cluster.
Emissions Certifications: Not for sale or use in California.
Rough Country's Speedometer Calibrator can only be used with one vehicle at a time.
As with all other programmers, once programmed, the programmer is locked to that vehicle and cannot be used with any other vehicle.

Rough Country Lifetime Replacement Warranty covers all structural components against defects in materials and workmanship for the original purchaser's lifetime ownership of the vehicle.

3-Year Finish Warranty on all painted and powder-coated surfaces.

3-Year Shock Warranty on N3, M1, and Vertex shocks against leakage and structural failure.

Warranty service is handled by Rough Country directly — call (678) 400-6467 if you need help opening a warranty claim and we'll walk you through it.

Payment Options

Pay Your Way at Road Runner

Five lease-to-own partners plus Synchrony Car Care credit — and Affirm is available at checkout for monthly installments. Apply online, get a decision fast, and drive away with new wheels and tires the same day.

No Credit Needed

Acima

Lease-to-own · $10 to start · ITIN accepted

Apply Now → Lease-to-Own

Koalafi

Low initial payment · Approval in seconds

Apply Now → Lease-to-Own

American First Finance

Cancel any time · Early Buyout Option

Apply Now → Lease-to-Own

Progressive Leasing

Instant Decision · 90-day purchase option

Apply Now → Lease-to-Own

Snap Finance

Perfect credit not required · Won’t affect FICO®

Apply Now → Credit Application

Synchrony Car Care

0% APR promo · 6 months to pay · No annual fee

Apply Now → Buy Now, Pay Later

Affirm

Pay in 4 at 0% APR · 3/6/12-month plans · No late fees

Learn more & shop →
Compare all payment options →

Lease-to-own providers may obtain information from credit bureaus / consumer reporting agencies; “No Credit Needed” does not mean no credit check. Not all applicants are approved. Progressive Leasing not available in MN, NJ, VT, WI, WY. Snap Finance not available in MN, NJ, WI. See each provider’s page for full disclosures. Ownership of leased items only after all scheduled payments are made or early purchase option exercised.