Xtreme Rotaries 13B Solid Eccentric Shaft – a high performance marvel engineered for precision and durability.
 
Material Excellence –
Crafted from a specially selected and exceptionally clean 4340 custom specification steel, ensuring quality and strength.
 
Journals
 Main bearing journals tapered to enhance performance and reliability when stationary gears flex.
 
Oil Flow Optimisation
 Innovative design with cross-drilled oil galleries and lead-in passages expertly machined into the shaft, guaranteeing optimal lubrication.
 
Heat Treatment
Subjected to a rigorous regimen of stress-relieving, heat treatment and shot peening processes to fortify its structural integrity.
 
Precision Ground
Meticulously ground on state-of-the-art CNC grinding equipment, achieving unparalleled accuracy, even down to the threads, which are also ground post heat treatment.
 
Keyways
Keyways cut and finished after the final heat treatment for maximum precision.
 
Stress Reduction
 All fillets feature undercuts, effectively minimising stress cracking points.
 
Race-Ready 
 Journal sizes ground to top tolerance race clearances, delivering peak performance.
 
Rotor Cooling
Ingeniously machined oil cooling jets directly into the eccentric shaft, reducing stress points and enhancing overall rigidity.
Thread Design –
The front of the shaft uses a 20B-style thread configuration, complete with a lightweight nut supplied for convenience.
 
Billet 4340 13b Rotor Eccentric shaft
Billet 20B style front nut
 
Note: These shaft are only avalible at certin times. So best pre ordering if you want to get your hands on one of thse units as they offen sell months or years in advance