HKS Step 2 V2 RB26DETT 2.8L Complete Engine for R32 / R33 Nissan Skyline GT-R
The “HKS COMPLETE ENGINE POWERED BY HKS” represents the pinnacle of contemporary technology adoption. The exceptional skillset, cultivated over forty years of unwavering dedication, highlights this further. The prowess of HKS is attributable to its varied motorsport engagements, including Gr. A, Drag race, D1 GP, and TSUKUBA Time Attack. The company’s goal is to build high-performing race engines with superior power and resilience. Constructed in the same facilities that have previously produced racing engines, these engines encapsulate an immense wealth of knowledge and technological innovations derived from previous race involvements. Their commitment to preserving the distinctive qualities of both pure racing vehicles and custom streetcars remains unshaken.
Built on a firm tradition of premium racing engine production, the “HKS COMPLETE ENGINE POWERED BY HKS” relies on a comprehensive knowledge to maintain its industry-leading position. In its pursuit of reliability, HKS favors brand new cylinder blocks to avoid potentially minor hidden flaws in restored blocks. This careful selection signifies HKS’s determination to produce engines with precision. The attention to detail is evident in the deburring and chamfering processes that also refine associated parts, facilitating integration with the head or other appliances, and consequently improving work efficiency. A rigorous three-stage cleaning process eliminates any residual metal fragments, boosting accuracy and avoiding potential engine issues.
Prior to initiating the cleaning process, engine blind caps are detached. The engine is treated to successive phases of primary cleaning, steam cleaning, and final polish. The boring process is astutely performed, considering potential deformations from dummy heads and metal, courtesy of specialized head bolt and gasket components. The stringent attention at each phase ensures the production of exceptionally precise engines. The methodologies employed during honing and cross-hatching rely on insights gleaned from historic race engine designs. Every component’s clearance adjustments are based on anticipated engine output. Exquisite care is taken in selecting pistons and conrods from the cylinder with precise alignment, employing high-precision tools for torque fastening and angular control. Amid these perfect processes, HKS’s unyielding dedication to uphold the highest quality standards is unmistakably evident.
Version 2
- The release of Version 2 displayed an enhanced equilibrium between intake and exhaust, due to the utilization of a larger exhaust valve. The intake and exhaust efficiency was further boosted by refining the port profile and carving the valve seat in an R shape. This strategic modification was crucial in thwarting the delamination of the boundary layer.
Features
- Professional staff assembles the proven 2.8L step 2 kit
- CNC machined combustion chamber to decrease knocking
- High-volume oil pump to ensure lubrication of the engine on a whole range of RPM
- Specially selected strengthened main bearings and connecting rod bearings
- Grommet head gasket and strengthened stud bolts for improved sealing
- High angle camshaft for improved high end performance
- Reinforced valve spring to suppress surging at high RPM
- Strengthened valve stem seals to maintain precise performance even at high RPM and high temperature
- Improves intake and exhaust efficiency by optimizing the exhaust side big valves and port shape, and also measures against overheating with the sodium-filled valve
- Reinforced valve stem springs and titanium retainers are installed to suppress surging at high RPM
- Features separator to shuts out oil that flows out with blow-by gas from the cam cover
Specifications
- Bore
- Stock: 86.0mm
- HKS: 87.0mm
- Stroke
- Stock: 73.7mm
- HKS: 77.7mm
- Compression (t=1.2)
- Max RPM
- Displacement
- Stock: 2568cc
- HKS: 2771cc
Step 2 V2 Complete Engine Specifications
- Step 2 Camshaft: HKS IN – 264°／ lift 10mm + HKS EX – 264°／ lift 10mm
- Blow-By Separator: IN – stock + EX – HKS strengthened
- Cam Pulley: HKS slide cam-pulley
- Timing Belt: HKS fine tune timing belt
- Spring Retainer: HKS titanium
- Valve Spring: HKS strengthened
- Engine Head Modifications: machining of combustion chamber (version 2 spec), full surface machining of ports and R-machined valve seats, optimizing cam clearance, drilling of water jacket air vent hole
- Stem Seal: HKS strengthened
- Valve: IN – stock + EX – +1mm sodium filled-inconel
- Port: smoothing and polishing around the seat
- Combustion Chamber: CNC machined combustion chamber (squish area retained)
- Head Gasket: HKS grommet S-cooling gasket (t=1.2)
- Head Bolt: HKS strengthened bolt
- 24U Block Modifications: surface resharpening (parallelism correction with main journal), modification on the water hole, machining on the water-jacket, removing edges on the bottom of cylinders, cylinder boring process
- Oil Pump: HKS high volume oil pump
- Piston: HKS forged
- Conrod: HKS H-beam
- Crankshaft: HKS forged
- Main Bearing: ACL
- Conrod Bearing: ACL
- Cover: High temp paint
Applications
- 1989-1994 Nissan Skyline GT-R: R32 | 2.6L TT I6 RB26DETT
- 1995-1998 Nissan Skyline GT-R: R33 | 2.6L TT I6 RB26DETT
Notes
- Intake manifold, turbine and other engine auxiliary parts are not included
About HKS
HKS Co., Ltd. is a highly renowned Japanese automotive tuning and performance company. Founded in 1973 by Hiroyuki Hasegawa and Goichi Kitagawa, the company’s initials HKS are also derived from the name of its third partner, Sigma Automotive. With a reputation built on high-quality performance parts, HKS specializes in aftermarket components for a wide array of vehicles. The company has played a significant role in popularizing automotive tuning culture around the world. HKS is known for producing various performance-enhancing parts including turbochargers, exhaust systems, suspension components, and engine parts. Their products are engineered to provide maximum performance gains without sacrificing reliability or drivability.
Over the decades, HKS has expanded its reach by participating in various motorsport events, ranging from drag racing to drift competitions and circuit racing. Their expertise in tuning and enhancing vehicles has led them to significant successes in different motorsport arenas. The commitment to research, development, and innovation has cemented HKS’s place as a leader in the automotive aftermarket industry. By maintaining rigorous quality control and focusing on the precise engineering of performance products, HKS has established strong relationships with automobile manufacturers, dealers, and enthusiasts worldwide. Sustainability and environmental considerations are also part of HKS’s commitment. They continue to innovate in ways that enhance performance while considering environmental impact. With a rich history and an unrelenting passion for pushing automotive performance to its limits, HKS continues to be a sought-after brand for automotive enthusiasts seeking top-tier performance upgrades and tuning solutions.
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