SIPPLE SPEED & PERFORMANCE Max Effort NAG1Sipple Speed and Performance Max Effort NAG1 Transmission for Dodge vehicles. We only offer one level of transmission the "Max Effort". These are the race proven, fully built transmissions. We don't just throw a bunch of clutches in and hope for the best. There is a reason Sipple's Max Effort Transmissions lead the lists online, and the winner's circle at the track. Description MAX EFFORT NAG1 BUILD This includes the billet input shaft, extra capacity

as well as protecting the threads in your engine block

– Challenger – 2015-2023

Adding a supercharger or nitrous

they have a PWM fuel system from the factory)

(Lockout Required) Max effort stock piston 5

These are the race proven

improve acceleration

Used with MPVI2

daily driving and even mild boosted applications while also delivering a choppy sound we all want in an aftermarket cam

Single side-exit with dual 4

Phaser lock required for stock piston applications

660" valve spring is assuming that you have titanium intake valves