Seller notes

Yamaha RD350/RD400 Stage 1 Performance Kit Stage 1 Performance Kit. Yamaha RD350 (all years), RD400 (1976-1978) 12+ lbs Lighter then Stock15+ HP Increase throughout the Rev RangeEasy install, Bolt on Performance Kit Includes: DG Exhaust Expanision Chambers & Mounting HardwareK&N Air filter with Y-boot intakeNew High Performance Manifolds Kit (includes 2 modified RZ350 manifolds with boost port/crossover, cross over tube & clamps)Jet Kit (includes 180-230 Mains, 2 each & 30,35 Pilot jets, 2 each)...

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