What American Powertrain does

American Powertrain is a privately-held specialty drivetrain retailer and kit designer, headquartered in Cookeville, Tennessee, that operates as the self-described world's largest TREMEC dealer. The company sells TREMEC manual overdrive transmissions (TKX 5-speed, Magnum 6-speed in Magnum/Magnum XL/Magnum F variants, TR-4050, T5, and TKO) together with proprietary vehicle-specific Pro Fit conversion kits for classic American muscle cars, trucks, and hot rods. Standalone transmissions are priced at roughly $2,000-$3,700, and complete kits range from about $3,700 to $5,300, with automatic transmission units sold through a Gearstar reseller partnership at $5,495-$9,645.

Its proprietary technology stack centers on the patented Hydramax hydraulic clutch system, the patent-pending White Lightning short-throw shifter, and a complete conversion kit system engineered for direct fitment without floor-pan modification. Supporting components include the ProTwin 10.5-inch twin disc clutch (rated up to 1,100 ft-lbs of torque), Stage 1-3 clutch kits, Centerforce clutches, hydraulic clutch pedal kits, bellhousings, flywheels, crossmembers, driveshafts, crate engines, differentials (Currie Ford 9-inch, GM 12-bolt), brake kits, electric power steering conversions, and TREMEC and Driven transmission fluids.

Revenue is generated almost entirely through hardware sales via a sales-led direct e-commerce site with a vehicle-specific product finder and Speed Analyzer configuration tool, supplemented by phone-based quote requests and international shipping. Average selling prices run in the $2,000-$9,645 range with Affirm financing (0% interest for 6 months) layered on top to reduce purchase friction. The company primarily serves individual enthusiast and small-business customers across four persona segments: classic muscle car owners, classic truck restorers, modern Mustang upgraders, and Mopar enthusiasts, and operates with 11-50 employees.

Name

American Powertrain

Legal name

American Powertrain

Website

https://americanpowertrain.com

Company type

Private

Founded year

2005

Operating status

Operating

Headcount range

11–50 employees

Short description

American Powertrain is the self-described world's largest TREMEC dealer, selling proprietary Pro Fit overdrive transmission conversion kits, TREMEC manual transmissions, Hydramax hydraulic clutches, and supporting drivetrain components to classic muscle car, classic truck, and modern Mustang enthusiasts.

Ownership category

akta.pro rank

Product category

Performance Automotive Drivetrain Parts

NAICS

Motor Vehicle Transmission and Power Train Parts Manufacturing (33635), Motor Vehicle Transmission and Power Train Parts Manufacturing (336350)

SIC

Wholesale-Motor Vehicle Supplies & New Parts (5013)

akta.pro primary industry

Passenger Vehicle Transmission & Drivetrain Systems Manufacturing (ICE) (IMACAAAG)

akta.pro secondary industries

Transmission & Transaxle Manufacturing (Manual/Automatic/DCT/CVT) (IMACAHAE), Clutch, Torque Converter & Flywheel Manufacturing (IMACAHAI), Truck & Commercial Vehicle Powertrain Manufacturing (Diesel/CNG/Hydrogen/Hybrid) (IMACABAJ)

Keywords

• Manual transmissions
• Overdrive conversion kits
• Hydraulic clutch systems
• Performance drivetrain parts
• Muscle car upgrades

Headquarters

HQ city

Cookeville

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2C

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Marketing or Sales, Personnel, Technology or R&D, Infrastructure

Revenue model

1. TREMEC Transmission Sales: Sale of TREMEC manual transmissions including TKX 5-speed ($2,895), Magnum 6-speed ($3,545), Magnum XL ($3,695), TR-4050 ($3,295), and T5 ($2,000). Prices vary by specifications and gear ratios.
2. Complete Transmission Conversion Kits: Sale of complete Pro Fit conversion kits bundling transmission with installation components. TKX kits range $3,695-$4,560, Magnum kits $4,450-$5,300 depending on vehicle application.
3. Automatic Transmission Sales: Sale of Gearstar automatic transmissions including 4L80E ($7,145-$9,645), 4R70W ($7,445-$8,445), 4L65E ($5,495-$7,495), and 4L60E ($5,495-$6,595) at various power ratings.
4. Hydraulic Clutch Systems and Pedals: Sale of Hydramax hydraulic clutch systems and Malwood pedal kits ranging $685-$1,200 depending on vehicle application.
5. Clutch Kits and Components: Sale of clutch systems including ProTwin twin disc (up to 1100 ft/lbs), Stage 1-3 clutches, and Centerforce clutches for various applications.
6. Financing Services: Third-party financing through Affirm offering 0% interest for 6 months and monthly payment options on all products.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels6 records

Core offering

American Powertrain is the world's largest TREMEC dealer, selling TREMEC manual transmissions (TKX, Magnum, TR-4050, T5, TKO) along with vehicle-specific overdrive conversion kits for classic muscle cars, trucks, and hot rods. The company also offers Gearstar automatic transmissions, Hydramax hydraulic clutch systems, ProTwin and Centerforce clutches, shifters, pedals, crate engines, differentials, and supporting drivetrain components bundled as complete Pro Fit kits.

Product overview

American Powertrain is the world's largest TREMEC dealer specializing in vehicle-specific TREMEC overdrive conversion kits for muscle cars, trucks, and hot rods. Their core product portfolio centers on manual transmissions: TREMEC TKX 5-speed (600 lb-ft, 7,500 RPM), TREMEC Magnum 6-speed (700 lb-ft, 7,800 RPM) in Magnum/Magnum XL/Magnum F variants, TREMEC TR-4050 for heavy-duty trucks, TREMEC T5, and TREMEC TKO. They offer complete conversion kits including transmission, driveshaft, cross member, shifter, hydraulic clutch systems (Hydramax), clutches (ProTwin, Stages 1-3, Centerforce), pedals, bellhousings, flywheels, crate engines (GM LS/Ford/Mopar), differentials (Currie Ford 9", GM 12 bolt), and Gearstar automatic transmissions. The product ecosystem is unified around enabling manual transmission conversions with supporting components including brake kits, electric power steering, transmission fluids, and shift accessories. They serve Ford, GM, MOPAR, and custom applications with professional fitment and a 2-year warranty.

Differentiator

Problem solved

Functional benefit

Brands

• Hydramax: Patented hydraulic clutch systems and components for automotive applications
• ProFit
• ProTwin
• SaveTheStick
• White Lightning
• Gearstar

Products and services

• TREMEC TKX 5-Speed Transmission Kits Complete TREMEC TKX 5-speed overdrive transmission conversion kits for muscle cars, trucks, and hot rods, rated for 600 lb-ft of torque with up to 7,500 RPM. Includes transmission, driveshaft, cross member, shifter, and hardware.
• TREMEC Magnum 6-Speed Transmission Kits TREMEC Magnum 6-speed overdrive transmission conversion kits rated for 700 lb-ft of torque with up to 7,800 RPM. Available in Magnum, Magnum XL, and Magnum F variants for various vehicle applications.
• TREMEC TR-4050 5-Speed Transmission Kits Heavy-duty TREMEC TR-4050 5-speed manual transmission designed for light and medium duty trucks, featuring single overdrive, aluminum housing, and PTO capability. Handles over 425 lb-ft of torque.
• TREMEC T5 5-Speed Transmission Kits TREMEC T5 5-speed overdrive transmission conversion kits with the World Class T5 variant featuring improved gear metallurgy, needle bearings, and synchros. Handles up to 300 hp and 300 lb-ft of torque.
• TREMEC TKO 5-Speed Transmission TREMEC TKO 5-speed with overdrive rated for 600 ft-lb with heavy duty GM 26-spline input and Ford 31-spline output. Compatible with all domestic V8s and many 4 and 6-cylinder engines.
• Gearstar Automatic Transmissions High-quality automatic transmissions including GM 4L60E, 4L65E, 4L80E, Ford 4R70W, and Mopar 4L65E. Available in multiple power levels from 400hp to 1000hp for various engine applications.
• Hydramax Hydraulic Clutch Systems Patented hydraulic clutch systems with pre-bled release bearings, Buna-N seals, and adjustable firewall mounts. Compatible with most domestic 4, 5, and 6-speed transmissions.
• ProTwin 10.5 Twin Disc Clutch 10.5 twin disc clutch rated up to 1100 ft-lbs of torque, featuring carbon-based friction material, billet steel flywheel, and quiet operation.
• Crate Engines GM LS Crate Engines, Ford Crate Engines, GM Big Block and Small Block Crate Engines, and MOPAR Crate Engines from Blueprint, Chevrolet Performance, and Ford Racing.
• TREMEC Rebuilds & Upgrades Rebuild and upgrade services for TREMEC transmissions.

Quantifiable outcome

• 30-50% better fuel economy on average
• +5 more outcomes

Named customers1 record

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Four partnerships are on record, tiered core and minor.

• TREMECcoreTechnology or IntegrationPrimary transmission supplier and strategic partner. American Powertrain is the world's largest TREMEC dealer. TREMEC manufactures TKX, Magnum, Magnum XL, Magnum F, TR-4050, and T5 transmissions exclusively for the performance automotive market.
• GearstarcoreChannel Partner/ Reseller/ DistributorSupplier of automatic transmissions including 4L80E, 4R70W, 4L65E, and 4L60E units at various power ratings (400-1000hp). American Powertrain resells Gearstar transmissions as part of complete drivetrain solutions.
• CenterforceminorChannel Partner/ Reseller/ DistributorOfficial dealer for Centerforce clutches. Centerforce has over 25 years of experience in clutch innovation and quality testing for performance applications.
• AffirmminorGTM or Marketing PartnerThird-party financing partner offering 0% interest for 6 months and monthly payment options on all products. Enables customers to purchase high-value drivetrain components with flexible payment terms.

Scale indicators3 records

Recent moves6 records

Expansion highlights5 records

Others

• TREMEC: TREMEC is the OEM manufacturer of the TKX, Magnum, and TR-4050 transmissions that constitute American Powertrain's core offering; while not a direct competitor, TREMEC's direct-to-consumer or alternative dealer strategy would directly threaten American Powertrain's revenue stream.
• Centerforce Clutches: Centerforce designs and manufactures performance clutches sold through American Powertrain as a dealer; adjacent participant in the performance drivetrain ecosystem with overlapping classic car and muscle car customers.

Emerging players

• Hughes Performance: Hughes Performance specializes in high-performance automatic and manual transmission components, converters, and kits for street rods and muscle cars, serving an overlapping classic car performance customer base.
• Gearstar Performance Transmissions: Gearstar builds custom automatic transmissions (4L60E, 4L80E, 4R70W) for performance applications and is itself a partner/supplier for American Powertrain, but directly competes in the broader drivetrain upgrade category with overlapping enthusiast customers.

Broad incumbents

• Classic Industries: Classic Industries supplies restoration parts for classic Chevrolet, Pontiac, Ford, and Mopar vehicles, including manual transmission conversion kits and drivetrain accessories serving the same classic car enthusiast buyer.
• Summit Racing Equipment: Summit Racing is a broad performance parts retailer carrying TREMEC transmissions, clutches, and drivetrain components across thousands of SKUs, overlapping American Powertrain's catalog for muscle car and truck customers.

Direct peers

• Quick Time Performance: Quick Time Performance manufactures bellhousings, crossmembers, and conversion components for muscle car and hot rod manual transmission swaps, overlapping with American Powertrain's bellhousing, crossmember, and Pro Fit kit SKUs.
• Modern Driveline: Modern Driveline sells TREMEC-based manual transmission conversion kits and hydraulic clutch systems for classic Mustangs, Camaros, and trucks — directly competing with American Powertrain's Pro Fit kits on overlapping vehicle applications.
• Zip Products: Zip Products remanufactures and sells manual transmissions and conversion kits targeted at classic GM, Ford, and Mopar applications, directly competing in the manual transmission conversion kit category American Powertrain serves.
• Year One: Year One is a classic muscle car restoration parts supplier offering reproduction and performance components including transmissions, clutches, and drivetrain accessories for the same vintage GM/Ford/Mopar segments American Powertrain targets.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks4 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/user/AmericanPowertrain
• Facebookfacebook.com/pages/American-Powertrain/160876862676
• Instagraminstagram.com/americanpowertrain
• Xx.com/apowertrain
• LinkedInlinkedin.com/company/american-powertrain

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about American Powertrain