Pistons - Aluminum Alloy, 70mm Diameter, 35mm Compression Height | 3 Rings, 15mm Pin Diameter, Reduced Friction, Long Lifespan

Cylinder Blocks - Cast Iron, Customizable Bore Diameter & Height | Varied Dimensions, High Precision Tolerance, Excellent Heat Dissipation, Long Lifespan, Optimal Performance

Oil Seals - NBR, Hardness 70-90 Shorea, Temperature -40°C to 120°C | Leak Prevention, Wear Resistance, High Durability

Rings - Cast Iron, Variable Thickness, Precise Tolerance | Durability, Engine Sealing, Reduced Friction, Long Lifespan

Engine Valves - Alloy Steel, 120mm Length, 30mm Head Diameter | Heat Resistant, Wear Resistant, High Precision, Polished Surface, Hardened Treatment

Piston Pins - Chrome Plated Steel, Various Diameter, Customizable Length | High Strength, Precise Fit, Corrosion Resistant, Reduced Friction, High Durability

Pistons - Aluminum Alloy, 70mm Diameter, 35mm Compression Height | 3 Rings, 15mm Pin Diameter, Reduced Friction, Long Lifespan

Liners - Cast Iron, Varying Sizes | High Durability, Corrosion Resistant, Easy Installation, Customizable Wall Thickness, Optimal Sealing, Reduced Friction, Smooth Finish

Bushes - Bronze Alloy, Variable Sizes, 2-5 Mm Wall Thickness | Durable Material, Corrosion Resistance, High Strength, Wear Resistance, Low Friction, Easy Installation

Scam Bushes - Brass, 3-Pcs, Precise Fit | Durable, Corrosion Resistant, Easy Install

Rings - Cast Iron, 2mm Thickness, 0.25mm Gap | Precise Fit, Durable, High Compression, Leak Proof Seal