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HKS COMPLETE ENGINES
【COMPLETE ENGINES for RB26DETT 3.0L STEP3 V-CAM】
The pinnacle model of the RB26 Complete Engine. Newly developed 2-piece piston achieves increased stroke and connecting rod length while maintaining the same block height.
- The exclusive 3.0L crank is machined from high-end race grade nitride steel that is ion plasma treated to increase surface strength and toughness.
- In preparation for high torque, dedicated I-beam connecting rods with 36% increase buckling strength and a 22mm thicker piston pin were adopted.
- Various design changes were made to countermeasure against heat generated during higher output, such as, changes to valve guide and seat materials, adoption of sodium-filled EX valves, and pistons with cooling channels
- Dedicated 36-tooth crank angle sensor and crank angle sensor for V-cam improve signal accuracy in the high-RPM range.
※Recommended engine oil is HKS Racing Pro 10W50.
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Exclusive full counter crank
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Exclusive I-beam connecting rod with 36% increase in buckling strength and 6mm longer shaft distance.
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Valve seat were changed to beryllium and the guide to phosphor bronze, to improve heat dissipation of the valves.
The two-piece piston have a higher pin position making it possible to reduce the compression height. This made it possible to increase the length of the connecting rods without the need for high decking. The extremely lightweight 313g pistons, have cooling channels for oil cooling.
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Dedicated HKS V-cam Crank Angle Sensor 36-2 tooth
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Intake Side：V CAM STEP Pro
Exhaust Side：280° STEP2
Reinforced Blow-by separator to help reduce oil carry out
Specifications
| HKS 3.0L(V-CAM) | Stock | |
|---|---|---|
| Bore | 87.0mm | 86.0mm |
| Stroke | 84.0mm | 73.7mm |
| Compression Ratio (t=1.2) | 8.7 | - |
| Max RPM | 9,000rpm | 7,600rpm |
| Displacement | 2,996cc | 2,568cc |
COMPLETE ENGINE RB26 3.0L STEP3 V-CAM
| Camshaft | IN：HKS V-CAM STEP Pro 264°/ LIFT 10mm |
|---|---|
| EX：HKS STEP 2 280°/ LIFT 10mm | |
| Blow-by Separator | IN/EX HKS Enhanced Product |
| Cam Cover | HKS RB30 Exclusive (EX） |
| Cam Pulley | HKS SLIDE CAM-PULLEY (EX) |
| Timing Belt | HKS Fine Tune Timing Belt |
| Spring Retainer | HKS Titanium |
| Valve | IN: Stock EX:1mm Sodium filled-Inconel |
| Valve Spring | HKS Enhanced Product |
| Stem Seal | HKS Enhanced Product |
| Head Modifications | Combustion Chamber: CNC Machined (with retained Squish area), Seat: Beryllium / Guide: Phosphor Bronze, Port: Step removed and polished, Cam Clearance: CNC Machined, Water Jacket: Modifications for improved water flow. |
| Head Gasket | HKS Grommet Super Cooling Type (t=1.2) |
| Head Bolt | HKS Enhanced Bolt |
| Block (24U) Modifications |
Block deck Resurfacing (Parallel to the crankshaft), Waterhole Machining, Head bolt hole chamfering (to prevent cracking), Deburring lower end of cylinder、Boring |
| Oil Pump | HKS Enhanced Product |
| Piston | HKS 2-piece machined |
| Conrod | HKS I-Beam Center Distance: 127.5mm |
| Crankshaft | HKS Billet Full Counter (Ion plasma treated nitriding steel) |
| Main Bearing | ACL |
| Conrod Bearing | ACL |
| Crank Angle Sensor | 36-2 tooth direct crank |
| Ignition system | HKS SUPER FIRE RACING COIL PRO |
| Crank Damper | ATI 1000PS Specification W/P Pulley：D124(ATI) Ribbed Belt：4PK850,4PK910,4PK925 |
| Covers | Baked Finish |