Mitsubishi 4G63 Billet Cylinder Block by Bullet Racing.
The Bullet 4G63 series to suit all Mitsubishi Evoltion applications has been engineered to deliver reliability in 1700hp environments. .
This product has vastly improved block rigidity and improved deck thickness over the stock unit. Distortion of cylinder bores and crank tunnel is dramatically reduced through increased material thickness and a Bullet 4 bolt main cap system.
This product requires minimal modifications to directly replace the standard block.
They are available in 3 variations:
- Evo 4-9 Wet Deck
- Evo 4-9 Dry Deck
- Evo 4-9 Solid Deck
- Evo 1-3 (7 bolt) Wet deck
- Evo 1-3 (7 bolt) Dry Deck
- Evo 1-3 (7 bolt) Solid Deck
- VR4, Talon. Eclipse (6 bolt) Wet deck
- VR4, Talon. Eclipse (6 bolt) Dry Deck
- VR4, Talon. Eclipse (6 bolt) Solid Deck
The Bullet 4G63 to suit Mitsubishi EVO 4-9 applications has been engineered to deliver reliability in 1700hp environments. As fitted to Collin Wilshires Mitsubishi Eclipse which runs a 6:53@223MPH and is currently the worlds fastest 4G63.
This product has vastly improved block rigidity and improved deck thickness over the stock unit. Distortion of cylinder bores and crank tunnel is dramatically reduced through increased material thickness and a Bullet 4 bolt main cap system.
This product offers significant weight savings and has minimal modifications to directly replace the standard block.
Specifications Name of product: 4G63 Actual weight: 29kg Stock block weight in comparison: 49kg Block material: 6061 aircraft grade billet aluminium.
Design improvements: 4 bolt mains, increased block deck and cylinder wall thickness. Performance sleeves fitted Studs included: 1/2” Head and 7/16” Main
Modifications required to fit: Bracket to support oil pickup required
Modifications to head required: Drill out head stud holes to 14mm.
HP rating: 1700*
Significant benefits: Weight saving, significantly increased rigidity and durability. May be bored to 87mm Finish: Raw machined
Options Available: Bullet Fire Ring Head Sealing System 4G64 (Increased deck height) available
For more info on Mitsubishi 4G63 billet cylinder block please go here.
For info on our full range of goods and services please go here.
Bullet has been in business for more than 20 years and has built an enviable reputation as a premium motorsport engineering house. In the last 15 years we have invested in cutting edge DMG Mori and Haas 4 axis CNC machinery, CAMplete Port CNC Porting Software, Solidworks 3D modelling software, SolidCAM CNC Programming software, and recruited staff with the knowledge and experience to create and develop world-beating new products.
Along with our manufacturing capability, our combined decades of experience with our SuperFlow flow bench and engine dynamometer enables us to build and tune engines that are fully proven and ready to race.
Capabilities
CAD (Computer Aided Design) / CAM (Computer Aided Manufacture)
Precision CNC machining
Finite Element Analysis
New product development
Bespoke engine building and dyno tuning
Largest CNC Head porting program library in Australasia
Discriminators (points of difference)
In business more than 20 years
More than 100 years combined industry experience in our workshop
Comprehensive in-house facilities means no need to outsource
Decades of experience in CAD/CAM
Export to anywhere in the world
Manufacture individual components up to turn-key engines