Supertech pistons are manufactured from extruded high silicon, enhanced 4032 alloy that low thermal expansion, excellent wear resistance and higher thermal conductivity. A phosphate dry lubricant coating is applied to pistons to protect against ring micro welding and enhance skirt lubrication.

Features

• Forged from enhanced 4032 alloy and CNC machined
• Contact reduction grooves are standard
• Honed & reamed pin bores and precise fit
• High tensile strength and evenly distributed hardness
• Withstands up to 42psi of turbo boost, w/alcohol, w/out any problems
• A 2 or 3 forging steps process yeilds a fine structural grain oriented in fibers in the same direction of the stresses.
• Wrist pins are constructed or cold extruded chrome molly steel for high strength to be used with the wire clip locks.
• Quality Control is performed after every step of the manufacturing process in climate controlled environments to ensure reliability of dimensions
• Rings, wrist pins, and wire locks are included.

Toyota 4AGE 16-valve Bore & Compression Ratio Options:

• 81mm (std) / 20mm pin / 30.5mm Comp Height / 11.1cr
• 81.50mm / 20mm pin / 30.5mm Comp Height  / 11.1cr
• 81.50mm / 18mm pin / 30.7mm Comp Height / 11:cr
  Must be used with 20mm rod width
• 82mm / 20mm pin / 30.5mm Comp Height / 11:1cr
• 82mm / 18mm pin / 30.7mm Comp Height / 11:1cr
• Must be used with 20mm rod width