Part Number: 21003-AN013

Description: HKS Step2 Forged Piston Kit For RB26 - 86.5mm Bore

Fitment: 89-02 Nissan Skyline GTR R32/R33/R34

Notes: Not for sale in California not CARB Legal

Details:

Low-friction double layer coated OEM replacement piston kit redesigned to achieve lighter weight and durability. Compatible with STEP2 camshaft.

Features

• High Strength

  • Adapting truss structure for improved structural rigidity.

  • Made of highly heat resistant & durable A2628 alloy.

• Ultra-light weight

  • optimized profile for shorter skirt height and narrower skirt width to reduce weight.

  • Machined to reduce excess thickness parts to achieve ultra lightweight.

• Low Friction

  • double -layer moly and PTFE coating to reduce friction.

  • Reducing axial load by offsetting piston pin

Double-Layer Coated

The outer layer is a moly coating effective for sliding under high loads. The inner layer is a PTFE coating effective for sliding under high rotation.

Specifications

• Bore: 86.5mm

• Stroke:73.7mm

• Comp. ratio (t=1.2): 8.5

• Max RPM: 7,600rpm (8,000)*

• Weight: 352g

• Displacement: 2,599cc

* When used with 22001-AN001/valve SPG RB26DETT STEP2 and STEP2 camshafts.