Size Chart
×
SKU: 3108-B
UMI Performance delivers a modular adjustable transmission crossmember system for 1978-1988 GM G-Body vehicles including Chevrolet Malibu, Monte Carlo, El Camino, Buick Regal, Oldsmobile Cutlass Supreme and Pontiac Grand Prix. This black powder coated steel crossmember uses laser-cut tabs and slots for precise multiple mounting locations to set your driveline angle. It provides clearance for large diameter dual exhausts while supporting a range of transmissions for reliable performance.
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1978-1980 | GMC | Caballero | Laredo |
| 1981 | GMC | Caballero | Royal Knight |
| 1980 | Oldsmobile | Cutlass | Base |
| 1980-1981 | Oldsmobile | Cutlass | Brougham |
| 1980-1981 | Oldsmobile | Cutlass | LS |
| 1978-1979 | Oldsmobile | Cutlass | Vista Cruiser |
| 1978-1983 | Chevrolet | Malibu | Classic |
| 1978-1980 | Chevrolet | Malibu | Classic Estate |
| 1978-1981 | Chevrolet | Malibu | Classic Landau |
| 1979-1980 | Chevrolet | Malibu | Classic Sport |
| 1979-1980 | Chevrolet | Malibu | Estate |
| 1979 | Chevrolet | Malibu | Landau |
| 1978-1987 | Buick | Regal | Base |
| 1982-1983 | Buick | Regal | Estate Wagon |
| 1987 | Buick | Regal | GNX |
| 1984-1987 | Buick | Regal | Grand National |
| 1978-1987 | Buick | Regal | Limited |
| 1982 | Buick | Regal | Limited Turbo |
| 1978-1982 | Buick | Regal | Sport |
| 1983-1986 | Buick | Regal | T-Type |
| 1978-1987 | Chevrolet | El Camino | Base |
| 1978 | Chevrolet | El Camino | Conquista |
| 1981-1986 | Chevrolet | El Camino | Conquista |
| 1979-1981 | Chevrolet | El Camino | Royal Knight |
| 1978-1987 | Chevrolet | El Camino | SS |
| 1978-1981 | Chevrolet | Malibu | Base |
| 1978-1988 | Oldsmobile | Cutlass Supreme | Base |
| 1978-1987 | Oldsmobile | Cutlass Supreme | Brougham |
| 1988 | Oldsmobile | Cutlass Supreme | Classic |
| 1988 | Oldsmobile | Cutlass Supreme | Classic Brougham |
| 1988 | Oldsmobile | Cutlass Supreme | Indy 500 Pace Car |
| 1978 | Chevrolet | Monte Carlo | Sport |
| 1980 | Chevrolet | Monte Carlo | Sport |
| 1983-1988 | Chevrolet | Monte Carlo | SS |
| 1981-1986 | GMC | Caballero | Amarillo |
| 1978-1987 | GMC | Caballero | Base |
| 1981 | GMC | Caballero | Conquista |
| 1978-1987 | GMC | Caballero | Diablo |
| 1979 | Chevrolet | Malibu | Police |
| 1979-1980 | Chevrolet | Malibu | Sport |
| 1979 | Chevrolet | Monte Carlo | Base |
| 1981-1988 | Chevrolet | Monte Carlo | Base |
| 1983 | Chevrolet | Monte Carlo | CL |
| 1978-1981 | Chevrolet | Monte Carlo | Landau |
| 1986-1988 | Chevrolet | Monte Carlo | LS |
| 1979 | Oldsmobile | Cutlass | Vista Cruiser Brougham |
| 1978-1984 | Oldsmobile | Cutlass Calais | Base |
| 1983-1984 | Oldsmobile | Cutlass Calais | Hurst |
| 1982-1983 | Oldsmobile | Cutlass Ciera | Base |
| 1988 | Oldsmobile | Cutlass Ciera | Base |
| 1982-1988 | Oldsmobile | Cutlass Ciera | Brougham |
| 1982-1988 | Oldsmobile | Cutlass Ciera | LS |
| 1986-1988 | Oldsmobile | Cutlass Ciera | S |
| 1986-1988 | Oldsmobile | Cutlass Ciera | SL |
| 1980-1983 | Oldsmobile | Cutlass Cruiser | Base |
| 1980-1981 | Oldsmobile | Cutlass Cruiser | Brougham |
| 1978-1979 | Oldsmobile | Cutlass Salon | 442 |
| 1984-1985 | Oldsmobile | Cutlass Ciera | Cruiser LS |
| 1983 | Oldsmobile | Cutlass Ciera | ES |
| 1985-1986 | Oldsmobile | Cutlass Ciera | ES |
| 1985-1987 | Oldsmobile | Cutlass Ciera | GT |
| 1985-1986 | Oldsmobile | Cutlass Ciera | Holiday |
| 1988 | Oldsmobile | Cutlass Ciera | International |
| 1984-1986 | Pontiac | Bonneville | LE |
| 1978-1987 | Pontiac | Grand Prix | Base |
| 1981-1987 | Pontiac | Grand Prix | Brougham |
| 1984-1987 | Pontiac | Grand Prix | LE |
| 1978-1983 | Pontiac | Grand Prix | LJ |
| 1978-1980 | Pontiac | Grand Prix | SJ |
| 1985-1986 | Oldsmobile | Cutlass Salon | 442 |
| 1978-1980 | Oldsmobile | Cutlass Salon | Base |
| 1985-1987 | Oldsmobile | Cutlass Salon | Base |
| 1978-1980 | Oldsmobile | Cutlass Salon | Brougham |
| 1979 | Oldsmobile | Cutlass Salon | Hurst |
| 1987 | Oldsmobile | Cutlass Supreme | 442 |
| 1988 | Oldsmobile | Cutlass Supreme | International |
| 1981 | Oldsmobile | Cutlass Supreme | LS |
| 1985 | Oldsmobile | Cutlass Supreme | LS |
| 1988 | Oldsmobile | Cutlass Supreme | SL |
| 1982-1986 | Pontiac | Bonneville | Base |
| 1982-1986 | Pontiac | Bonneville | Brougham |
Crossmembers are the transverse structural members that span the width of the vehicle frame, supporting the engine, transmission, suspension, and steering components. Performance and aftermarket crossmembers in tubular steel or CNC-machined aluminum improve chassis rigidity, enable engine swap clearance, and add ground clearance over factory stamped-steel designs that are prone to damage or rust.Popular UpgradesTubular K-member crossmembers for Fox-body and SN95 Ford Mustangs, and tubular front crossmembers for classic Chevrolet muscle cars, are the most popular performance crossmember upgrades. These lightweight tubular designs reduce unsprung weight and allow coilover suspension installation that is not possible with the stock K-member. LS and LT engine swap crossmembers for non-GM platforms solve engine positioning and mount location challenges in hot rod and restomod builds. Off-road skid plates and underbody guards that double as crossmember protection are popular upgrades for ...
View Crossmembers Products
Shop drivetrain parts and accessories at Black Ops Auto Works for differentials, axles, driveshafts, clutch kits, flywheels, flexplates, shifters, transmission components, ring and pinion gears, differential braces, differential bushings, wheel hubs, wheel bearings, U-joints, valve bodies, transmission coolers, drivetrain mounts, and performance driveline upgrades. This collection is built for street cars, drag cars, track builds, trucks, Jeeps, SUVs, high-horsepower Mopar builds, imports, European performance vehicles, and off-road applications that need stronger power delivery, durability, and reliability. Use this Drivetrain collection to find the right upgrade by vehicle platform, drivetrain layout, transmission type, power level, and product category. Differentials and ring and pinion gears support traction and gearing changes, axles and driveshafts help transfer power, clutch kits and flywheels improve manual transmission performance, transmission coolers and valve bodies supp...
View Drivetrain Products
Welcome to our Transmissions collection, where we bring you a curated selection of high-quality products designed to enhance your experience. Each item in this collection has been carefully chosen to ensure you receive only the best. What You Will Find in the Transmissions Collection: Innovative Designs: Products that stand out with cutting-edge technology and usability. Quality Assurance: Each item is vetted for performance and durability. Variety of Choices: A diverse range of products to meet your specific needs. Expert Recommendations: Handpicked by professionals to ensure top-notch quality. Why Choose Our Transmissions Products? Our Transmissions products are not just about functionality; they are about elevating your overall experience. Here’s why you should explore this collection: Enhanced Performance: Each product is designed to maximize efficiency and effectiveness. Customer Satisfaction: We prioritize your needs and feedback to ensure every product exceeds exp...
View Transmissions Products
Welcome to the UMI Performance collection, where innovation meets automotive passion. Our team of dedicated engineers and sales professionals are not just experts; they are racers who leverage their experience to design and develop top-tier products that enhance your vehicle's performance. Why Choose UMI Performance? 100% Made in the USA: Every part is crafted by our skilled craftsmen and craftswomen, ensuring the highest quality standards. Premium Materials: We use only the finest USA-sourced raw materials, guaranteeing durability and performance in every component. Race-Winning Performance: Our suspension components are engineered to replace factory parts seamlessly, delivering exceptional handling and stability. Key Features of UMI Performance Products Corner Max Kits: Experience race-winning performance with our easy-to-install bolt-on kits. Clear Instructions: Parts that require fabrication are clearly noted and come with step-by-step installation guides. Support Whe...
View UMI Performance Products