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No Springs Required (NSR) Stage 1 Grind for 6.4L Apache. Awesome across the board power increases. For 6.4L ONLY. Best choice for street cars. Requires Phaser Limiter (#5761) or Phaser Lock (#5760)
No Springs Required (NSR) Stage 1 Grind for 6.4L Apache. Awesome across the board power increases. For 6.4L ONLY. Best choice for street cars. Requires Phaser Limiter (#5761) or Phaser Lock (#5760)
- Requires disabling of the MDS system and use of Non-MDS lifters
- Requires Custom Tuning
- Requires Use of camshaft phaser limiter kit (part # 5761) or camshaft phaser lock kit (Part Number 5760)