ARP | Brian Crower | Exedy | ACT | Kelford | Manley | more
ARP | Brian Crower | Exedy | ACT | Kelford | Manley | more
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ARP Studs and Bolts
Exedy Clutches and Flywheels
Stage 1 Organic - 05803A, 05803AHD
Stage 2 Cerametallic - 05952A, 05952AHD
Multiplate Clutch Kit
Carbon Clutch Kit
Lightweight Flywheels
Brian Crower Internals and Stroker Kits
Camshafts
The 4B11T is the first engine in the Lancer Evolution series that uses a die-cast aluminum cylinder block versus the cast-iron block used in the previous turbocharged 4G63 engine that powered all previous models. The engine weight has been reduced by 26 lbs compared to the 4G63, even with the addition of a timing chain instead of a belt and MIVEC continuous variable valve timing on both the intake and exhaust camshafts (the 4G63 had MIVEC valve timing & lift switching type on the intake only). A revised turbocharger offers up to 20-percent quicker response at lower engine speeds compared to previous 4G63. The 4B11T offers a broader torque curve, producing more torque than the 4G63 at all engine speeds, helped by the engine's square bore and stroke design (both measure 86.0 mm). Redline starts at 7,000 rpm, with a fuel cutout at 7,600 rpm to protect the engine. A semi-closed deck structure, an integrated ladder frame and four-bolt main bearing caps contribute to engine strength and durability. Unlike the 4G63, the 4B11T does not use a balancer shaft. Aluminium is used for the timing chain case and cylinder head cover. The engine features an electronically controlled throttle, an isometric short port aluminum intake manifold and the stainless steel exhaust manifold is positioned at the rear of the engine. The use of a direct-acting valvetrain (buckets) eliminates the need of the roller rocker arm configuration previously used in the 4G63 and its valve stem seals are integrated with the spring seats.
Stage 2 - Street/Strip
Adv. Dur- 272°/272°
Dur @ .050 - 234°/223°
Lift (in) - .445"/.419"
Lift (mm) - 11.30/10.64
Stage 3 - Full Race
Adv. Dur- 280°/280°
Dur @ .050 - 240°/234°
Lift (in) - .470"/.445"
Lift (mm) - 11.94/10.64
Stroker Kits
The BC stroker kit for the Mitsubishi 4B11T engine platform incorporates a 98mm stroke crank. Depending on bore size that you decide, the BC kit will take you up to a 2.5L with a sleeved 90mm bore. The kit utilizes premium steel billet connecting rods in your choice of fastener (ARP2000 or Custom Age 625+ for severe-duty). As usual, each BC kit features custom CP pistons, steel alloy wrist pins, full ring pack and locks.
- BC 4340 billet steel crankshaft (84mm stroke).
- Choice of 4340 steel billet connecting rods w/ARP fasteners.
- CP aluminum forged pistons (any bore size, any compression ratio).
- High strength steel alloy wrist pins for added longevity and reduced flex.
- Ductile iron plasma top rings, tapered second ring, low tension oil rings.
- Fully system balanced and ready to install.
ACT Clutches and Flywheels
Description Part # Torque Cap Clamp Load
ACT Street Clutch Kit ME1-HDSS 512ft/lbs 42%
ACT Street Clutch Kit ME1-XTSS 573 ft/lbs 58%
ACT Race Clutch Kit (4Puck) ME1-HDR4 655 ft/lbs 42%
ACT Race Clutch Kit (4 Puck Sprung Hub) ME1-HDG4 655 ft/lbs 42%
ACT Race Clutch Kit (6Puck) ME1-HDR6 655 ft/lbs 42%
ACT Race Clutch Kit (6 Puck Sprung Hub) ME1-HDG6 655 ft/lbs 42%
ACT Race Clutch Kit (4Puck) ME1-XTR4 734 ft/lbs 58%
ACT Race Clutch Kit (4 Puck Sprung Hub) ME1-XTG4 734 ft/lbs 58%
ACT Race Clutch Kit (6Puck) ME1-XTR6 734 ft/lbs 58%
ACT Race Clutch Kit (6 Puck Sprung Hub) ME1-XTG6 734 ft/lbs 58%
All ACT Pressure Plates and discs for the 2008 Lancer Evolution X are SFI certified. All kits include a new release bearing.
Kelford Camshafts
214-A Camshaft - 264 Duration, 10.00mm Lift. EXO X Stage 1 camshafts to suit stock valve springs.
Learn more
214-B Camshaft - 270 Duration, 11.00mm Lift. EVO X Stage 2 camshafts, requires Kelford valve spring.
Learn more
214-X Camshaft - Custom camshaft set manufactured to your specifications to suit Mitsubishi Evoluxtion X 4B11 engines
Manley H and I beam Rods
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Want something you don't see? Send a PM to check pricing and availability!
Want something you don't see? Send a PM to check pricing and availability!
Last edited by InjectedPerf; Sep 24, 2009 at 02:08 PM.
