TOP CONCEPT LLC — Where Horsepower Meets Expertise

Philadelphia’s Elite Auto Repair Shop for Performance, Luxury & Everyday Vehicles

From a 707-hp Dodge Hellcat screaming on the dyno to a Corvette Z06 getting a clutch job, from a twin-turbo Mercedes-AMG E63 engine rebuild to a timing chain on a BMW M5 — we do the work other shops are afraid to touch.

Not Just Another Shop. This Is TOP CONCEPT.

Most auto repair shops can change your oil and replace your brake pads. But how many can pull a hand-built AMG V8 biturbo out of a Mercedes, rebuild it bearing by bearing, and drop it back in running like new? How many will tear into a supercharged 6.2L HEMI Hellcat engine without flinching? How many can diagnose a misfiring BMW S63 twin-turbo V8 in an M5 when two other shops already gave up?

We can. And we do — every single week.

TOP CONCEPT LLC is not a franchise. We are not a dealership with a waiting room full of magazines and a $200/hour labor rate. We are a team of expert technicians with over 20 years of experience and 10,000+ vehicles serviced. Our 98% customer satisfaction rate is not a marketing number — it is earned, one repair at a time, one happy customer at a time.

The Machines That Come Through Our Doors

Walk through our shop on any given day and you might see a Corvette C8 next to a Range Rover, a Hellcat Redeye sharing the lift with a Toyota Tundra, and a Porsche 911 waiting behind a Ford F-250 diesel. That is what makes this shop different — we handle EVERYTHING.

Chevrolet Corvette — America’s Supercar

The Corvette is not just a sports car — it is a statement. Whether you own a classic C6 Z06 with the legendary 7.0L LS7, a C7 Stingray with the LT1, a C7 Z06 with the supercharged LT4 pumping out 650 hp, or the mid-engine C8 Stingray — we know these machines inside and out.

• C6 Corvette (2005–2013) — LS2/LS3/LS7 engine service, clutch replacement, rear differential, cooling system, exhaust headers
• C7 Corvette (2014–2019) — LT1/LT4 direct injection, dry-sump oil system, magnetic ride calibration, performance exhaust, supercharger service on Z06
• C8 Corvette (2020+) — Mid-engine LT2, dual-clutch transmission service, engine-out service, cooling system, brake upgrades
• Corvette Z06, Grand Sport, ZR1 — Track-ready machines that need track-ready mechanics. We are those mechanics.

Mercedes-AMG — Hand-Built Power, Factory-Level Service

Every AMG engine has a plaque with the signature of the master technician who built it. When that engine needs service, it deserves hands that understand what went into creating it:

• C63 AMG / C63 S — 4.0L V8 biturbo, 503 hp. Engine rebuilds, turbo service, performance exhaust, head gasket
• E63 AMG S — 4.0L V8 biturbo, 603 hp. Complete engine rebuilds — cylinder heads, pistons, bearings, turbos
• S63 / S65 AMG — V8 biturbo and V12. Full service, suspension, electrical diagnostics
• SL55 AMG — M113K supercharged V8. Kompressor rebuilds, pulley upgrades
• SL63 AMG — Grand tourer. Exhaust, engine service, convertible top mechanical repair
• GLE 63 / GLS 63 AMG — Performance SUVs. Turbo service, brake upgrades, air suspension
• AMG GT / GT S / GT R / GT 63 — Track weapons. Full mechanical service
• G63 AMG / G65 — The iconic G-Wagon. Engine, transfer case, portal axles

BMW M — Precision German Engineering

BMW M cars are built for driving. High-revving engines, twin-turbo powerhouses, and drivetrains tuned for the track:

• M3 (E46/E90/F80/G80) — S54 I6, S65 V8 (rod bearing inspection!), S55/S58 twin-turbo I6. VANOS, connecting rod bearings, crank hub
• M5 (E39/E60/F10/F90) — S62 V8, S85 V10 (throttle actuator, rod bearings), S63 twin-turbo V8. Valve cover and camshaft service, SMG pump, DCT service
• M4 (F82/G82) — S55/S58 twin-turbo I6. Competition, intake service, intercooler, crank hub fix
• M2 / M2 Competition — N55/S55 engine. Cooling upgrades, performance exhaust, brake service
• X5 M / X6 M — S63 twin-turbo V8, 600+ hp. Timing chain, turbo, air suspension

Dodge Hellcat & SRT — American Muscle at Maximum Volume

717 horsepower. 797 in Redeye trim. A 2.4-liter supercharger force-feeding a 6.2-liter HEMI V8. When these beasts need service, they need a shop that understands what 11 PSI of boost does to an engine.

• Challenger SRT Hellcat / Redeye / Super Stock — 717–807 hp. Supercharger service, cooling system, clutch (manual), 8HP90 transmission
• Charger SRT Hellcat / Redeye — 797 hp sedan. Drivetrain service, supercharger oil change, exhaust, brakes
• Challenger / Charger Scat Pack 392 — 6.4L 485 hp. MDS service, headers, cam swap support
• Durango SRT / SRT Hellcat — Engine replacement, supercharger service
• Dodge Viper SRT — 8.4L V10. Not every shop can touch it. We can.

Ford Mustang & Performance

• Mustang GT (S550/S650) — 5.0L Coyote V8. Performance exhaust, clutch, cooling, engine service
• Shelby GT350 — 5.2L Voodoo flat-plane crank V8. Correct Motorcraft 5W-50 oil changes
• Shelby GT500 — 5.2L Predator supercharged, 760 hp. Supercharger service, DCT, heat exchanger
• F-150 Raptor — 3.5L EcoBoost twin-turbo. Suspension, turbo, off-road prep
• F-250 / F-350 Super Duty — 6.7L Power Stroke. Transmission rebuilds, turbo, injectors

Porsche — Precision is Not Optional

• 911 (991/992) — Flat-6 twin-turbo. Engine service, PDK, IMS bearing (997/996)
• 911 GT3 / GT3 RS — 4.0L NA flat-6, 9000 RPM. Track prep, engine inspection, clutch
• 911 Turbo / Turbo S — 640 hp. Turbo service, intercooler, brakes
• Cayenne / Cayenne Turbo — Engine repair, timing chains, air suspension
• Macan / Panamera — Twin-turbo V6/V8. Full service, PDK, cooling

We Fix Everything With an Engine

Japanese Reliability & Performance

• Toyota / Lexus: Tundra, Tacoma, 4Runner, Supra, Camry, Land Cruiser, Lexus IS/RC F/LC 500 — engine service, timing belts, rebuilds
• Honda / Acura: Civic Type R, Civic Si, Accord, CR-V, Acura TLX/MDX/NSX — engine repair, timing belt, VTEC, turbo
• Nissan / Infiniti: 370Z, GT-R (VR38DETT twin-turbo!), Q50/Q60 Red Sport — VQ/VR engine, CVT, turbo
• Subaru: WRX, WRX STI (EJ257 turbo flat-4), BRZ — head gaskets, turbo, ringland repair, AWD
• Mazda: MX-5 Miata, Mazda3 turbo, CX-5 — SkyActiv, rotary engine (RX-7/RX-8)

Trucks, SUVs & Heavy Duty

• Jeep: Wrangler, Gladiator, Grand Cherokee Trackhawk (707 hp!) — engine rebuild, Gladiator service, 4×4, axle
• RAM: 1500 HEMI, 2500/3500 Cummins, 5500 — diesel engine repair, DEF, turbo
• Chevrolet/GMC: Silverado, Sierra, Tahoe, Yukon — timing chain, AFM/DFM lifter failure, 10-speed trans
• Cadillac: Escalade, CT5-V Blackwing (668 hp supercharged!) — engine repair
• Lincoln: Navigator — transmission replacement, twin-turbo, air suspension

European Luxury

• Mercedes-Benz: C/E/S-Class, GLC, GLE, GLS — diagnostics, oil changes, engine, air suspension
• BMW: 3/5/7 Series, X3/X5/X6 — oil change, timing chain, suspension
• Audi: A4, A6, Q5, Q7, S4, RS5, TT RS — turbo/intake, DSG, carbon cleaning
• Jaguar: F-Type (supercharged V6/V8!), XF, XKR — intake, engine repair
• Land Rover: Range Rover, Discovery, Defender — engine swap, timing chains
• Volvo: XC90, XC60, S60 — engine removal/rebuild, turbo+supercharger
• MINI Cooper S / JCW — Engine repair, turbo, timing chain

Korean

• Hyundai: Sonata, Elantra N, Tucson, Santa Fe, Palisade, Veloster N (275 hp turbo!) — Theta II, GDI, turbo
• Kia: K5, Stinger GT (twin-turbo V6, 368 hp!), Sportage, Telluride — engine, transmission
• Genesis: G70, G80, GV70, GV80 — twin-turbo V6, premium luxury service

Electric & Hybrid

• Tesla: Model 3, Model Y, Model S, Model X — suspension, brakes, cooling, tires
• Hybrids: Toyota Prius/RAV4, Honda CR-V, Ford Escape — engine, brakes, cooling, suspension

5 Reasons TOP CONCEPT Is Different

1. We Show Our Work — 50+ Real Case Studies With Photos

Check our blog. Over 50 real repair stories with photos from our shop floor. Engine rebuilds. Timing chains. Transmission overhauls. Turbo replacements. Every image is from a real vehicle we worked on. No stock photos. No borrowed pictures.

2. We Take the Jobs Other Shops Turn Away

V8 biturbo engine rebuild on a Mercedes E63 AMG? Done. Supercharger rebuild on an SL55 AMG? Done. Engine swap on a Range Rover? Done. Hellcat supercharger service? Bring it in. Corvette Z06 clutch job? Tuesday.

3. Honest Pricing — No Surprises

Detailed written estimate before we touch your car. If we find something unexpected, we call you first — always. Your bill matches your estimate. Period.

4. Correct Parts, Correct Specs, Every Time

OEM and OEM-equivalent parts. Correct oil specs: Mercedes 229.51, BMW LL-01, Porsche A40, Dodge MS-6395, Ford WSS-M2C961-A1. Correct fluids, correct torque specs. On performance vehicles, cutting a single corner can destroy an engine.

5. Everything Under One Roof

Engine, transmission, brakes, suspension, electrical, diagnostics, A/C, exhaust, tires, turbo, supercharger, diesel, fleet — all under one roof. No need for multiple shops.

Complete Services

What Our Customers Say

“I brought my C7 Corvette Z06 in for a clutch job after the dealership quoted me double. TOP CONCEPT did it faster, cheaper, and better. They showed me photos of the old clutch — completely destroyed. New twin-disc in, and the car pulls harder than ever.”
— Corvette Z06 Owner, Bensalem PA

“My Hellcat Redeye needed supercharger service at 30K miles. The dealership wanted two weeks. TOP CONCEPT did the full supercharger oil change, snout service, and 100-point inspection in one day. Half the price too.”
— Dodge Challenger Hellcat Redeye Owner, Cherry Hill NJ

“Two shops told me my BMW M5 needed a new engine — $25K+ at the dealer. TOP CONCEPT diagnosed a failed VANOS solenoid and oil pump, fixed both for a fraction. Car runs perfectly. Saved me from selling my dream car.”
— BMW F10 M5 Owner, Bucks County PA

“I have a 2022 Mercedes-AMG E63 S. Finding a shop outside the dealer that knows these cars is nearly impossible. TOP CONCEPT not only knew the M177 engine — they showed me their previous AMG rebuild projects on their blog.”
— Mercedes-AMG E63 S Owner, King of Prussia PA

“My wife’s Honda CR-V and my Porsche Cayenne both go to TOP CONCEPT. One shop that handles a family SUV and a German performance vehicle equally well. Fair prices, honest people, quality work.”
— Porsche & Honda Owner, Northeast Philadelphia

Service Area — All of Greater Philadelphia

Located just off I-95 and Route 1:

• Philadelphia: Northeast, Tacony, Mayfair, Holmesburg, Torresdale, Bridesburg, Frankford, Fox Chase, Somerton, Bustleton, Center City, South Philly, Fishtown
• Bucks County: Bensalem, Levittown, Bristol, Langhorne, Penndel, Trevose, Feasterville, Warminster, Newtown, Doylestown
• Montgomery County: Cheltenham, Jenkintown, Abington, Elkins Park, Conshohocken, King of Prussia
• Delaware County: Upper Darby, Drexel Hill, Springfield, Media
• New Jersey: Camden, Cherry Hill, Pennsauken, Moorestown, Mount Laurel, Marlton, Voorhees

FAQ

Do you work on Corvettes?

Yes — all generations C5 through C8. LS and LT engine service, clutch, exhaust, differential, performance upgrades. Z06, Grand Sport, and ZR1 included.

Can you service AMG, M, and other performance cars?

Performance vehicles are our specialty. Mercedes-AMG, BMW M, Porsche, Dodge SRT/Hellcat, Ford Shelby GT500, Corvette Z06 — we work on all of them regularly.

How much does a Hellcat supercharger service cost?

Significantly less than dealer pricing. Call (267) 242-4992 for an exact quote.

Do you offer warranties?

Yes — all parts and labor come with a warranty.

Can you program ECUs?

Yes. Factory-level diagnostic equipment for European, Japanese, and American vehicles. Full diagnostics and programming.

Do I need an appointment?

Recommended for major work. Walk-ins welcome for oil changes, diagnostics, and quick inspections.

Ready to Experience the TOP CONCEPT Difference?

Whether you drive a Corvette Z06, a Mercedes-AMG E63, a BMW M5, a Hellcat Redeye, a Porsche 911 GT3, a Shelby GT500, or a daily-driver Honda Accord — TOP CONCEPT LLC is the shop you have been looking for.

(267) 242-4992

6920 New State Rd, Philadelphia, PA 19135
Monday – Friday: 9:00 AM – 6:00 PM | Saturday: 9:00 AM – 2:00 PM | Sunday: Closed