Granatelli HD Valve Spring Compresor

Granatelli Motor Sports (GMS) is renowned for its innovative designs and engineering expertise, making it a premier name in the automotive market. With over seventy years of experience, GMS continues to push the boundaries of performance and speed.

Innovative Products

Some of the groundbreaking innovations from GMS include:

• The first aftermarket F-body torque arm.
• The only Gen 4 F-body calibrated 200 MPH speedometer available for the aftermarket.
• The first 50 state legal centrifugal supercharger system.
• The Novi-2000 supercharger, featuring a quiet helical gear design capable of producing over 1000 horsepower legally across all 50 states.

Performance Innovations

GMS is committed to offering exceptional performance products for all American Muscle cars, including:

• 1988-2013 Mustangs
• Gen 4 and Gen 5 ‘98-2013 Camaros
• C5 & C6 Corvettes
• SRT 8 Challengers, Chargers, and 300C

Commitment to Quality

GMS invests countless hours in:

• Engineering evaluations
• Precision testing

to ensure that customers receive the most innovative products and advanced automotive solutions. GMS also provides professional installations that uphold the Company's high standards.

Regulatory Excellence

GMS has played a significant role in establishing standards set by the California Air Resources Board (CARB), enabling the company to secure approval for numerous aftermarket products, including:

• Forced induction systems
• Camshafts
• Exhaust systems
• Cylinder heads
• Mass airflow sensors