Stage 5 RZR Head Valvetrain Options:Customer Uses Supplied Cam/ Lifters. *Please inquire about our warranty

*Please inquire about our warranty expectations

- **Dart’s Brand-New 2JZ Cast Iron Cylinder Block**

ensuring precise sizing

Features -10 AN ORB ports

and improved piston ring seating

Stage 5 RZR Head Valvetrain Options:Customer Uses Supplied Cam/ Lifters. *Please inquire about our warrantyIntroducing the Stage 5 Head: Unleash the Ultimate Power Upgrade! REQUIRES CORE CYLINDER HEAD Upgrade your engine with our Stage 5 Head, meticulously crafted to deliver unparalleled performance. This is a serious upgrade from the Stage 4, designed for maximum power in aftermarket turbo high boost applications exceeding 45psi. Prepare to experience a new level of dominance on the track or strip. Building upon the exceptional specifications of our Stage