The Arrowmax AM-T4-301195-V3 upper deck is an RC replacement component made for XRAY T4 chassis that call for a 2.25mm graphite top plate. This deck is designed to adjust chassis stiffness and change handling characteristics while leaving suspension geometry unaltered.
Target fitment is XRAY T4 cars constructed to the T4 2019 specification. Fit by removing the OEM upper deck and transferring factory hardware, taking care with hex fastener torque and checking clearance around servos and electronics. Standard T4 layouts do not require extra machining.
On the track, a 2.25mm graphite plate raises torsional rigidity relative to thinner decks, typically sharpening turn-in and cutting down chassis flex in corners. Combine the deck swap with measured shock and roll centre adjustments to reach a balanced setup for your driving style.
Select this upper deck when you want a consistent increase in chassis stiffness for competition-level T4 setups and to evaluate handling adjustments on circuit.
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