The ZRP stroker crankshaft for the 3.0L Toyota Supra 2JZ increases engine capacity to 3.3L (86.0mm x 94.0mm). Manufactured from aerospace-grade 4340 solid billet steel, this crankshaft ensures top-tier quality and performance. Designed with precision, it undergoes strict inspections for optimal fitment.

The Toyota crankshaft is fully balanced to 2gr.cm /- 0.1 using state-of-the-art Sunnen machines, with balance results included.

Product Features and Design

• Undercut profiled counterweights to minimize weight and reduce rotating mass.
• Counterweight bridge to maintain rigidity in high-stress areas while reducing rotating mass.
• "High-Speed" oiling system for improved lubrication.
• Chamfered oil holes.
• Journal radius to disperse load stress.
• Tapered rod journals for weight reduction.

Technical Features of ZRP Crankshafts

• Full CNC machining.
• ION (Plasma) Nitride process for hardening.
• Multi-stage heat treatment.
• Shot peening for stress release.
• 100% Magna-fluxing for a flawless surface finish.
• Heat treatment for superior wear resistance.
• Micro-polishing for longer bearing life.
• Sonic tested and X-rayed for reliability.