AEM · New
AEM Evo 8 & IX Black Tru-Time Cam Gear
MPN 23-831BK · Store SKU aem23-831BK
Supplier stock checked 11/7/2026, 11:38:30 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
AEM Tru-Time Adjustable Camshaft Gears increase horsepower and torque without having to change the camshaft(s) and are must-have items for engines that are milled, forced induction, high compression and/or utilizing aftermarket competition cams. AEM Tru-Time cam gears enable users to match cam timing with their vehicle's tuning state by advancing or retarding the cam profile(s) in one-degree increments via true laser-etched markings. Precision-cut gear teeth ensure no premature wearing of the cam gear's belt surface and AEM's anodizing on the adjustable cam gear's teeth is lab-test proven as the hardest anodizing process on the market. Tru-Time Adjustable Cam Gear, Black Anodized, 5-Bolt design, Fits Mitsubishi 4G63 engine Tru-Time Adjustable Cam Gear. Black. 5-Bolt. Mitsubishi 4G63 AEM Tru-Time Adjustable Cam Gear Mitsubishi 4G63 - 5 Bolt
Manufacturer fitment & guides
Check 23-831BK against the manufacturer’s application information below.
Part-specific notes
- Not CARB approved. Destination and intended-use restrictions must be checked before sale.
- Emissions acknowledgement required before purchase.
- California Proposition 65: Y
