Grams Performance

The compact aluminum casing design of our fuel filters paired with an element which filters 100 or 20 microns is sure to provide a fuel injection s...

adjustment ranging from 30 - 118 psi (2 – 8 bar). Each regulator features two AN -10 ORB inlets, one AN -06 ORB outlet, boost/vacuum port, gauge po...

Utilizing premium materials, advanced manufacturing techniques, and stringent quality control procedures, Grams Performance is a leader in high-per...

Utilizing premium materials, advanced manufacturing techniques, and stringent quality control procedures, Grams Performance is a leader in high-per...

Utilizing premium materials, advanced manufacturing techniques, and stringent quality control procedures, Grams Performance is a leader in high-per...

Compliment your fuel regulator with the Grams fuel pressure gauge. This easy to read, matte black stainless steel gauge measures 0-120 psi (8.27 ba...

Compliment your fuel regulator with the Grams fuel pressure gauge. This easy to read, matte black stainless steel gauge measures 0-120 psi (8.27 ba...

Fuel Injector Top Hat; Top Tall 14mm Adapter Hat; Aluminum; Male 14 mm; Height 38 mm;

For optimum power and safety, measuring your air/fuel ratio is imperative when tuning. The Grams Wideband Air/Fuel Gauge measures at 52mm (2.047 in...

Compliment your fuel regulator with the Grams fuel pressure gauge. These easy to read, matte black stainless steel gauges measure 0-30 psi (2.06 ba...

Fuel Injector Top Hat; Top Short 14mm Adapter Hat; Aluminum; Male 14 mm; Height 38 mm;

Fuel Injector Top Hat; Top Short 11mm Adapter Hat; Aluminum; Male 11mm; Height 25mm; Converts 14mm Top To 11mm Top;

Grams Performance is proud to offer the most innovative high-performance fuel injectors for today's performance vehicles. Premium materials, advanc...

Grams Performance is proud to offer the most innovative high-performance fuel injectors for today's performance vehicles. Premium materials, advanc...

Grams Performance is proud to offer the most innovative high-performance fuel injectors for today's performance vehicles. Premium materials, advanc...

Grams 3.15 in. to 3.00 in. Reducer Coupler allows '06-'11 Civic Si, Subaru BRZ, Scion FRS, and Toyota FT86 Cold Air Intake system owners to install...

A larger throttle body is key to producing additional power throughout the power band on modified engines with increased airflow demands. The new G...