BULLET 4G63 BILLET BLOCK

BULLET 4G63 BILLET BLOCK

Bullet 4G63 to suit Mitsubishi EVO 4-9 applications has been engineered to deliver reliability in 1700 hp environments. As tted to Collin Wilshires Mitsubishi Eclipse which runs a 6:53@223 MPH 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 signi cant weight savings and has minimal modi cations to directly replace the standard block.

Specification

• Name of product: 4G63 (suits EVO 4-9)
• Actual weight: 29 kg
• Stock block weight in comparison: 49 kg
• 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 14 mm
• HP rating: 1700*
• Significant benefits: Weight saving, significantly increased rigidity and durability. May be bored to 87 mm
• Finish: Raw machined
• Options Available: Bullet Fire Ring Head Sealing System 4G64 (Increased deck height) available

*dependent on application, internals and tune