ZEX -4an Liquid Filled Gauge Kit tools *Heavy Duty output shaft is

*Heavy Duty output shaft is highly recommended to avoid catastrophic failure

And with every engine combination being different

Helmet - RS7 - Full Face - Snell SA2020 - FIA Approved - Head and Neck Support Ready - Carbon Fiber - Size 7-1/4 - Each

Axle Shaft - 31 in Long - 28 Spline Carrier - 24 Spline Drive Flange - Solid - Steel - Natural - Each /

Fitting - Adapter - Straight - 6 AN Male to 6 AN Male O-Ring - Aluminum - Black Anodized - Each /

ZEX -4an Liquid Filled Gauge Kit tools *Heavy Duty output shaft isNitrous Pressure Gauge 0 1500 psi Mechanical Analog Liquid Filled Full Sweep 1 1 2 in Diameter 1 8 in NPT Port 4 AN Adapter Black Face Kit