TexStar’s piston rods and pony rods are made of premium quality, heat treated alloy steel. The surfaces of our pony rods are Chrome plated and polished to mirror-like finishes.TexStar’s piston rods and pony rods are precisely made and treated with excellent abrasion and corrosion resistance.TexStar’s rod clamps are made of premium quality alloy steel. The rod clamps are machined to ensure perfect alignment and tight grip of piston rods and pony rods.