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PRODUCT DETAIL

4G63 DSM (6 bolt) Billet Block.

The Bullet 4G63 DSM 6 bolt is designed as a bolt up solution for First Generation Mitsubishi Eclipse, VR4 and Eagle Talon applications and has been engineered to deliver reliability in 1700hp environments.

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PRODUCT DESCRIPTION

Full specifications

The Bullet 4G63 DSM 6 bolt is designed as a bolt up solution for First Generation Mitsubishi Eclipse, VR4 and Eagle Talon applications and 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 offers significant weight savings and has minimal modifications to directly replace the standard block.

The Bullet 4G63/64 comes in 3 models, Wet or Dry Deck (open or closed deck) with water jackets & a Solid Drag only version.

So Street-Strip-Circuit-Bullet has you covered!

the bullet difference
member resource
Name of product 4G63 DSM 6 bolt (Eclipse, VR4, Talon 1st Gen)
Actual Weight 29kg
Block Material 6061 aircraft grade billet aluminium.
Design improvements 4 bolt mains, increased block deck and cylinder wall thickness. Performance sleeves fitted
Studs included ARP 8740 1/2” Head and 7/16” Main
Modifications required to fit Remote Oil Filter, external oil pump and modified Water Inlet
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 Wet deck, Dry deck and Solid Block options
Stock block weight in comparison 49kg

the bullet difference

head sealing

The optional Bullet Fire Ring head sealing system uses a metallic gasket with grooved brass rings for the cylinders that provide exceptional head sealing under ultra high loads.

Deck

Increased deck thickness increases rigidity and stability for better head gasket sealing.

studs

Bullet supply premium studs and block plugs with all billet blocks.

MATERIAL

Our blocks are machined from 6061 aircraft-grade billet aluminium, so they are much lighter than cast iron alternatives. Typical weight savings are more than 20kg.

RIGIDITY

Our unique design incorporates siamese bores, dry sleeves and a one-piece cradle resulting in maximum rigidity. Cylinders stay round and piston rings seal better under high load resulting in more power.

4 bolt mains

Four bolt, billet one piece main cradle improves bottom and rigidity to reduce main tunnel deflection under extreme load. The cradle is made from the same material to ensure equal expansion rates and maintain a  round bearing housing at different temperatures.

DESIGN

Bullet’s registered designs are developed to identify and eliminte structural weaknesses in OEM blocks. They are built to exceptionally precise tolerances for exceptional results.

cooling

Cooling system design improvements and efficient fluid paths are a significant feature of the Bullet block.

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