4340 high tensile steel good quality jetski connecting rod piston kit for 1800 jet ski yamaha waverunner fzs fzr fx cruiser sho
- 4340 forged steel to support higher horsepower.
- Magnaflux Inspection to ensure the high-quality standard.
- H-Beam Shape to keep the connecting rods relatively light.
- Optimal balancing for weight matched sets of ± 1.5 grams.
- Multi Stage Heat Treatment for maximum strength and dimensional stability.