Supertech Performance Piston Kit; For Natury Aspirated/Nitrous Applications; For use w/ Ring Set GNH8650 ACURA RSX


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Part #: P4-HK865-P6
Notes: Piston Kit
For Naturally Aspirated/Nitrous Applications
For use w/ Ring Set GNH8650
MSRP: $593.78
Your Price: $120.37
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Specs

Bore 86.50mm[0.50mm + Oversized]
Comp Height 1.181" (30mm)
Comp Ratio 11.2:1
Dome/Dish Volume CCs 6.5
Pin Diameter 22mm (.866")
Pin Weight 76grams
Piston Weight 306grams
Rod Length 5.472"
Skirt Style Slipper Style
Stroke 3.386"

This Item Also Available In

Part Number Price Notes & Specs
P4-HK86-P11 $120.37 Notes Piston Kit
For Naturally Aspirated/Nitrous Applications
For use w/ Ring Set GNH8600
Bore 86mm (86.02mm)[Std (+0.02mm) Oversized]
Comp Height 1.181" (30mm)
Comp Ratio 12:1
Dome/Dish Volume CCs 11
Pin Diameter 22mm (.866")
Pin Weight 76grams
Piston Weight 314grams
Rod Length 5.472"
Skirt Style Slipper Style
Stroke 3.386"
P4-HK86-P15 $120.37 Notes Piston Kit
For Naturally Aspirated/Nitrous Applications
For use w/ Ring Set GNH8600
Bore 86.00mm[Std Oversized]
Comp Height 1.181" (30mm)
Comp Ratio 12.5:1
Dome/Dish Volume CCs 11.4
Pin Diameter 22mm (.866")
Pin Weight 76grams
Piston Weight 296grams
Rod Length 5.472"
Skirt Style Slipper Style
Stroke 3.386"
P4-HK8650-N6 $120.37 Notes Piston Kit
For Naturally Aspirated/Nitrous/Turbo Applications
For use w/ Ring Set GNH8650
Bore 86.50mm[0.50mm + Oversized]
Comp Height 1.181" (30mm)
Comp Ratio 9:1
Dome/Dish Volume CCs -6
Pin Diameter 22mm (.866")
Pin Weight 76grams
Piston Weight 281grams
Rod Length 5.472"
Skirt Style Slipper Style
Stroke 3.386"
P4-HK8650-P11 $120.37 Notes Piston Kit
For Naturally Aspirated/Nitrous Applications
For use w/ Ring Set GNH8650
Bore 86.50mm[0.50mm + Oversized]
Comp Height 1.181" (30mm)
Comp Ratio 12:1
Dome/Dish Volume CCs 11
Pin Diameter 22mm (.866")
Pin Weight 76grams
Piston Weight 316grams
Rod Length 5.472"
Skirt Style Slipper Style
Stroke 3.386"
P4-HK8650-P15 $120.37 Notes Piston Kit
For Naturally Aspirated/Nitrous Applications
For use w/ Ring Set GNH8650
Bore 86.50mm[0.50mm + Oversized]
Comp Height 1.181" (30mm)
Comp Ratio 12.5:1
Dome/Dish Volume CCs 11.4
Pin Diameter 22mm (.866")
Pin Weight 76grams
Piston Weight 309grams
Rod Length 5.472"
Skirt Style Slipper Style
Stroke 3.386"
P4-HK87-P15 $120.37 Notes Piston Kit
For Naturally Aspirated/Nitrous Applications
For use w/ Ring Set GNH8700
Bore 87.00mm[1mm+ Oversized]
Comp Height 1.181" (30mm)
Comp Ratio 12.5:1
Dome/Dish Volume CCs 11.4
Pin Diameter 22mm (.866")
Pin Weight 76grams
Piston Weight 325grams
Rod Length 5.472"
Skirt Style Slipper Style
Stroke 3.386"
P4-HK86-P6 $120.37 Notes Piston Kit
For Naturally Aspirated/Nitrous Applications
For use w/ Ring Set GNH8600
Bore 86mm (86.02mm)[Std (+0.02mm) Oversized]
Comp Height 1.181" (30mm)
Comp Ratio 11.2:1
Dome/Dish Volume CCs 6.5
Pin Diameter 22mm (.866")
Pin Weight 76grams
Piston Weight 304grams
Rod Length 5.472"
Skirt Style Slipper Style
Stroke 3.386"
P4-HK86-N6R $116.35 Notes Piston Kit
For Naturally Aspirated/Nitrous/Turbo Applications
For use w/ Ring Set GNH8600
Bore 86mm (86.02mm)[Std (+0.02mm) Oversized]
Comp Height 1.181" (30mm)
Comp Ratio 9:1
Dome/Dish Volume CCs -6
Pin Diameter 22mm (.866")
Pin Weight 76grams
Piston Weight 277grams
Rod Length 5.472"
Skirt Style Slipper Style
Stroke 3.386"

All Fitments

ACURA
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
2002 - 2004 RSX TYPE-S ALL ALL ALL K20A2 ALL +0.7 w/ K20A3 Head

Product Description

Supertech Pistons are manufactured from extruded high silicone, enhanced 4032 alloy (with additional Cu, Ni & Mg) that had low thermal expansion, excellent wear resistance and higher thermal conductivity. Supertech Pistons, with this alloy, have withstood up to 42psi of boost, with alcohol, without any problems.

A two or three step forging process yields a fine structural grain which are then submitted to several machining steps in state of the art CNC machines.

Several heat treatments provide the piston with high tensile strength and evenly distributed hardness.

Contact reduction grooves are standard, and pin bores are honed and reamed for precise fit. Wrist pins are constructed of cold extruded chrome moly steel for high strength and used with wire clip locks.

Finally, the pistons receive a ‘phosphate dry lubricant’ coating to protect the rings against ‘micro-welding’ and enhance lubrication on the skirt/cylinder area.

Compression ratios are computed with .030” head gasket and .010” deck unless indicated in each case.

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