HKS Step 3 VR38DETT 4.3L Complete Engine for R35 Nissan GT-R
The “HKS COMPLETE ENGINE POWERED BY HKS” serves as a powerful manifestation of the widespread use of advanced technology and thereby displays the honed skill that has been amassed over four decades. This specific mastery has its origin in HKS’s involvement in various motorsport competitions such as Gr. A, Drag race, D1 GP, and TSUKUBA Time Attack. The company harbors an ambition to construct high-performance racing engines that deliver enhanced power coupled with exceptional longevity. Built in the same facilities where preceding engines designed for races were created, these engines represent the repository of knowledge and technology arising from previous racing events. The company remains vigilant towards maintaining the unique features of an authentic racing car and a modified streetcar.
Drawing upon many years of experience in designing racing engines, the “HKS COMPLETE ENGINE POWERED BY HKS” harnesses an in-depth understanding to sustain its superiority. HKS ensures dependability by opting for freshly manufactured cylinder blocks, fully aware that salvaged blocks could harbor unseen minor damages. This astute selection of new cylinder blocks symbolizes HKS’s commitment to producing engines with exactness. They adhere to meticulous deburring and chamfering processes which correspondingly deburr the related components, easing the incorporation of the head or supplementary equipment and thereby enhancing work efficiency. A comprehensive three-tier cleaning protocol eliminates any remaining metal remnants, thereby improving precision and preventing potential engine problems.
Engine blind caps are removed prior to the cleaning process. The engine, in sequence, undergoes an initial clean, steam-cleaning, and polishing for a final revamp. The boring operation is controlled with great meticulousness, bearing in mind potential distortions from the dummy head and metal. This safeguard is realized using specific head bolt and gasket components. This careful attention to every step reinforces the creation of ultra-accurate engines. The implementation of honing and cross-hatching methods are guided by past race engine designs. Adjustments are made to the clearances in every part in accordance with the anticipated engine output. A high degree of care is exercised in selecting pistons and conrods from the cylinder with utmost alignment, deploying high-precision devices to manage the torque fastening and high-performance angle. In such an optimal environment, HKS’s unwavering dedication to maintaining quality remains resolute.
Features
- Designed for high power longevity
- Focused for street driving
- Developed at HKS original oversize main stud bolts
- Block threaded for oversize stud bolts
- Line boring ensure journal roundness
- Strengthened main bearing and connecting rod bearings
- HKS metal head gasket for improved sealing
- High angle camshafts for improved high end performance
- Specifically designed VR4.3 original crankshaft damper for improved torsional stability
- Maximum torque of 1000 N・m
Specifications
- Bore
- Stock: 95.5mm
- HKS: 95.5mm
- Stroke
- Stock: 88.4mm
- HKS: 99.0mm
- Compression (t=0.8)
- Max RPM
- Displacement
- Stock: 3799cc
- HKS: 4255cc
Step 3 Complete Engine Specifications
- Camshaft: HKS IN – 270° / lift 11mm + HKS EX – 278° / lift 11mm
- Valve Spring: HKS strengthened
- Valve: adjusted to seat
- Head Gasket: HKS metal gasket (t=0.8)
- Head Bolt: ARP strengthened stud bolt
- Block Modifications: crankshaft interference eliminated, oversize main bearing thread, enlarged ladder cap hole, journal oil hole line boring, honing
- Main Bolt: HKS M12 stud bolt (625+)
- Piston: HKS billet (molybdenum coating)
- Conrod: HKS H-beam
- Crankshaft: HKS billet & WPC reinforced billet
- Main Bearing: ACL
- Conrod Bearing: stock + WPC
- Crank Pulley: original VR43 damper
- Cover: baking finish
- Spark Plug: HKS #10
Applications
- 2009+ Nissan GT-R: R35 | 3.8L TT V6 VR38DETT
- 2015+ Nissan GT-R Nismo: R35 | 3.8L TT V6 VR38DETT
Notes
- Maximum torque is a value calculated based on HKS’ in-house test data, they do not ensure that the product can be used without failure
- Please note that the figure of torque is fluctuated depends on the condition such as vehicle spec, track condition, driving situation or the distance of driving
- 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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