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4G63 EVO VIII CAMSHAFTS
The Lancer Evolution or "Evo" is Mitsubishi's flagship sports car. Based only on the unibody of the domesticated Lancer sedan the Evo is a rally inspired, turbocharged, all wheel drive, durable and finely tuned automobile. The number designation of the model is most commonly a roman numeral. Evolution models prior to version V were the officially approved models for Mitsubishi's efforts in the World Rally Championship's Group A class and SCCA Pro Rally Championship. In order to follow these rules, the Evolution is based on the same platform as the Lancer, but is much more powerful and the only major part in common between the Evo and the Lancer is the unibody. Nine street versions of the Evolution have been produced from 1993 up to today. Evolution versions VI, VII, VIII and IX did not need to meet WRC homologation requirements. The Evo was originally intended only for Japanese markets but demand on the 'grey import' market led the Evolution series to be offered through limited type-approval in the United Kingdom and in various European markets from around 1998 (Evo V-VI). Mitsubishi decided to export the eighth generation Evolution to the United States in 2003. The Lancer Evolution VIII is the first Evolution to come to the United States. These cams are not interchangeable with the traditional 4G63 found in the US based Eclipse and earlier Evo models. |
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Stage |
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Description |
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Part# |
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Adv. Dur. |
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Dur @ .050 |
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Lift (in) |
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Lift (mm) |
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Kit# |
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Dyno |
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Shop |
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Status |
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Street/Strip Specification
Plug and play application. Short duration for nice street manners, slight lope at idle. Excellent all purpose spec. OEM spring OK. |
BC0111 |
272°/272° |
206°/206° |
.415"/.388" |
10.54/9.86 |
BC0100 |
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In-Stock |
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Race Specification
Longer duration profile, added rpm potential. Intended for fully built engine. Tuning and ECU mods recommended. Requires kit BC0100. |
BC0112 |
280°/280° |
218°/216° |
.425"/.408" |
10.80/10.36 |
BC0100 |
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In-Stock |
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Full Race Specification
Giant lift profile intended for those looking to achieve huge power numbers at high rpm. Requires extensive tuning and modifications. Requires BC0100. |
BC0113 |
288°/288° |
222°/220° |
.468"/.478" |
11.88/12.14 |
BC0100 |
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In-Stock |
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USDM 4G63 (Evolution VIII) |
Stock |
248°/248° |
200°/200° |
.386"/.367" |
9.80/9.32 |
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| These cams are not interchangeable with the traditional 4G63 found in the US based Eclipse and earlier Evo models. |
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4G63 VIII Adjustable Cam Gears
BC adjustable cam gears deliver the easiest way to dial in more horsepower and/or torque without getting underneath the valve cover, disassembling the engine or dealing with onboard electronics. BC gears are CNC machined from aerospace grade, 6061-T6 billet aluminum for ultimate tensile strength. Easy to read, laser etched face features micrometer style markings for precise adjustment (up to 10 degrees in each direction) and quick tunability. Each hub is held down by six ARP made, Grade-8 hex bolts for maximum clamping ability. Hard anodized finish prevents premature surface wear. |
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Part # |
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Description |
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Buy Now |
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Status |
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| BC8810 |
Cam Gears for Mitsubishi 4G63 / Evo I - VIII. Set/2 |
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In-Stock |
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