[3] The Saleen 1 is powered by a proprietary 2.5 litre turbocharged inline-four engine developed by Saleen (based on the GM LKW Ecotec3 engine, it has a cast aluminum cylinder block with cast-in iron liners and uses a forged steel crankshaft),[3][4] with an 88.0 mm (3.46 in) bore and 100.8 mm (3.97 in) stroke, and rated at 450 hp (336 kW) and 350 lb⋅ft (475 N⋅m) of torque.
[4] The car is equipped with alloy wheels with diameters of 20 inches at the front and rear.
Other amenities include Sirius radio, Apple CarPlay, and a six-speaker sound system.
[4] The Saleen Cup was launched in partnership with SRO Motorsports Group in 2019 to demonstrate the capabilities of the S1.
The Cup car features race-spec aerodynamics, FIA standard safety equipment, and slick racing tires.