Predator 420cc / GX390 Hemi Racing Kit – 4.450" Rod & 90mm Piston
Predator 420cc / GX390 Hemi Racing Kit – 4.450" Rod & 90mm Piston
⚙️ Piston & Connecting Rod Kit for Predator 420cc Hemi / Honda GX390
🚗 Fitment
Direct replacement kit for Predator 420cc Hemi Engine and Honda GX390 Engines.
📦 Package Includes
1 x Piston
1 x Wrist Pin
2 x Circlip Clamp Springs
5 x Piston Rings
1 x Connecting Rod
2 x Rod Bearings
📏 Exact Dimensions
• Connecting Rod: 4.450" center-to-center length
• Crank Pin Diameter: 1.416"
• Wrist Pin Bore: 0.788"
• Minimum piston-to-head clearance: 0.030"
• Distance from piston top to wrist pin center: 0.660"
💪 Upgraded Rod Bolt Strength
Constructed with upgraded high-strength material to prevent rod bolt breakage under high load.
Rod bolt spec: 5/16" rod bolts, torque specification: 170 in-lbs.
Installation tool recommendation: Inch-pound torque wrench with 1/4" 12-point socket.
🔧 Displacement Output by Crankshaft
• 407cc: With stock crankshaft
• 433cc: With +0.160" stroker crankshaft
• 440cc: With 0.200" stroker crankshaft
Details
This product is crafted with quality materials to ensure durability and performance. Designed with your convenience in mind, it seamlessly fits into your everyday life.
Shipping & Returns
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We are committed to ensuring a positive shopping experience for all our customers. If for any reason you wish to return an item, we invite you to reach out to our team for assistance, and we will evaluate every return request with care and consideration.
