69mm Crankshaft producing up to 460cc. This is Chinese OHV core that fits Honda GX340, GX390 or any of the 420 & 440 Chinese OHVs. Gear for balance shaft & Bearing included!

433 cc with 88 mm Bore (GX390)
440 cc with 90 mm Bore (420 Predator)
460 cc with 92 mm Bore

Warning: Piston may need to be cut approx. .060" when using genuine Honda Blocks and Pistons.
Clearancing may be required. This is not a bolt in part, but is for experienced engine builders.

.060 Stroker Crank

OEM Crankshaft welded and ground producing .060 more stroke, Puts piston at -.010 to TDC on Honda Blocks (Chinese OHVs will Vary), Crank requires balancing (58 grams total , 29 per counterweight for ARC rod and FT piston).

Allows 202 cc (std) to 207 cc (.030) with OEM Pistons

.060 Stroker Crank OEM Crankshaft welded and ground producing .060 more stroke, When used with stock length rod, will put piston approx at zero deck height. Some applications may need to cust piston or use thick head gasket (.020" clearance between piston and head required)

Crank requires balancing (approx. 60 grams total , 30 per counterweight)

Approx. 218cc with stock bore

For experienced engine builders - Some clearancing may be required

Requires 6626 or 6602PH flywheels.
Uses Honda Rod Journal (use 6270 or 6234 rod)

180cc Stroker Crank, Genuine Honda Crankshaft welded and ground producing .160" more stroke,
Requires UT2 GX160 Piston with Standard length (3.303) Rod.

Crank requires balancing!!!!!!

.060 Stroker Crank OEM Crankshaft welded and ground producing .060 more stroke, When used with stock length rod, will put piston approx at zero deck height. Some applications may need to cust piston or use thick head gasket (.020" clearance between piston and head required)

Crank requires balancing (approx. 60 grams total , 30 per counterweight)

Approx. 218cc with stock bore

For experienced engine builders - Some clearancing may be required

Requires 6625 or 6602P flywheels
Uses Honda Rod Journal (use 6270 or 6234 rod

180cc Stroker Crank, Genuine Honda Crankshaft welded and ground producing .160" more stroke,
Requires UT2 GX160 Piston with Standard length (3.303) Rod.

Splined Crank fits 2 to 1 gear boxes

Crank requires balancing!!!!!!

180cc Stroker Crank, Genuine Honda Crankshaft welded and ground producing .160" more stroke,
Requires UT2 GX160 Piston with Standard length (3.303) Rod.

Splined Crank fits 6 to 1 gear boxes

Crank requires balancing!!!!!!

292cc Stroker Crank, OEM Honda Crankshaft welded and ground producing .160 more stroke, Puts piston at -.010 to TDC on Honda Blocks (Chinese OHVs will Vary),
Use with stock length rod and OEM Piston (piston must be cut .040)

Will not fit Gear box engines

Crank requires balancing

.060 Stroker Crank, GENUINE HONDA Crankshaft welded and ground producing .060 more stroke, Puts piston at -.010 to TDC on Honda Blocks (Chinese OHVs will Vary), Crank requires balancing (58 grams total , 29 per counterweight for ARC rod and FT piston). Allows 202 cc (std) to 207 cc (.030) with OEM Pistons

Fits 2 to 1 gearbox only

414cc Stroker Crank, OEM Honda Crankshaft welded and ground producing +.160 more stroke for a total of 2.68" (68mm), Puts piston at -.010 to TDC on Honda Blocks (Chinese OHVs will Vary),

Use with stock length rod and OEM Piston (piston must be cut .040)

Crank requires balancing

414cc with GX390 Piston (88mm)
433cc with 420 Predator Piston (90mm)
452cc with 92mm bore

292cc Stroker Crank, OEM Honda Crankshaft welded and ground producing .160 more stroke, Puts piston at -.010 to TDC on Honda Blocks (Chinese OHVs will Vary),
Use with stock length rod and OEM Piston (piston must be cut .040)

Fits GX270s with 2 to 1 Gear boxes only.

Crank requires balancing

Billet Steel GX200 Stroker Crank, +.175 Stroker, 1" Pin Requires special ARC Rod (3.625).



Note: Requires adjustable flywheel or special offset timing key



Allows 214 to 266 cc depending on Piston

Billet Steel 70 mm (+200) Crankshaft producing up to 460cc.

433 cc with 88 mm Bore (GX390)
440 cc with 90 mm Bore (420 Predator)
460 cc with 92 mm Bore

Warning: Piston may need to be cut approx. .060" when using genuine Honda Blocks and Pistons.
Clearancing may be required. This is not a bolt in part, but is for experienced engine builders.