UMI Performance

Installing a TH400 Automatic transmission into your 1993-1997 Camaro or Firebird just got easier. This cross-member with integrated torque arm mount features the correct provisions for mounting...

Installing a TH400 Automatic transmission into your 1993-1997 Camaro or Firebird just got easier. This cross-member with integrated torque arm mount features the correct provisions for mounting...

If you have raced your Mustang aggressively, on slicks, or even on the street and especially if your car is a 5-speed, you may have cracked torque boxes. Fox bodies don't have the best chassis to...

Stock trailing arms work fine for every day driving but when hard cornering and pressure is applied they are sure to add inconsistent handling. Our tubular trailing arms are designed to out...

Stock trailing arms work fine for every day driving but when hard cornering and pressure is applied they are sure to add inconsistent handling. Our tubular trailing arms are designed to out...

UMI’s new stronger conversion cross member is designed to fit the heavy duty GM 4L80E transmission into the 98-02 Camaro or Firebird. New cross member is bolt in, requires no drilling or cutting and...

UMI’s new stronger conversion cross member is designed to fit the heavy duty GM 4L80E transmission into the 98-02 Camaro or Firebird. New cross member is bolt in, requires no drilling or cutting and...

The torque arm relocation kit from UMI Performance is designed to remove the front mounting point of the torque arm off the transmission and protect the tail shaft from damage. General Motors tail...

The torque arm relocation kit from UMI Performance is designed to remove the front mounting point of the torque arm off the transmission and protect the tail shaft from damage. General Motors tail...

UMI’s Stage 1 kit is the perfect starting point for removing front end weight and improving the weight transfer in your 4th Gen. Our dual tube k-member is known as the strongest in its class and...

UMI’s Stage 1 kit is the perfect starting point for removing front end weight and improving the weight transfer in your 4th Gen. Our dual tube k-member is known as the strongest in its class and...

UMI’s Stage 2 kit provides a solid foundation for your street car used for drag strip duty. It features the best of both worlds combining weight reduction and strength with performance and comfort...