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Crankshaft by Brian Crower for 3SGTE Stroker
KORacing Products » Toyota MR2 MK2 » Engine Components

BC crankshafts are made from the finest, aerospace grade 4340 steel billet material. CNC machined on state of the art, 5 axis Mazak Integrex 300-IV CNC machines to exacting tolerances (.0001"). Every crankshaft features large radius journals that add rigidity for high horsepower, high boost, high rpm applications. Gun drilled, CNC ground oil holes feature a smooth surface for extra oiling, tear dropped for added oil scoop, cross drilled for priority main feeding to the rods and micro polished to a mirror finish for optimum bearing lubricity. All cranks are stress relieved, shot peened, magna flux inspected and nitrided (multi step heat treatment) for ultimate performance. Fully profiled counterweights are designed for reduced windage through the crankcase creating less oil resistance for better rpm potential.

The 3SGTE stroker crankshafts can be used to increase the displacement of the engine by giving the pistons more travel or stroke. As the old saying says: there is no replacement for displacement! See the table below for some numbers on displacement for various bore and stroke combinations.

StrokeBoreDisplacement
86.0mm (stock crank)86.0mm1998cc (stock 3SGTE)
86.0mm86.5mm2022cc
86.0mm87.0mm2045cc
91.0mm86.5mm2139cc
91.0mm87.0mm2164cc (stock 5SFE)
91.0mm87.5mm2189cc
95.0mm86.5mm2233cc
95.0mm87.5mm2285cc
95.0mm88.0mm2311cc

NOTE: If you order stock bore pistons, and then later decide you need oversize pistons, there will be a 25% restocking fee, and you will be liable for all shipping.


$2000.00 each
Select Stroke:
 

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