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Big Bore & Stroker Kits Big Bore Head Gaskets Big Bore Piston & Rings
Blocks Sleeves Stroker Cranks

WARNING: The following parts and kits are offered for experienced engine builders. These are not bolt in kits and require extensive work for installation to include boring, sleeving, clearancing, balancing, etc. Genuine Honda blocks are recommended for all applications.


Tech References:

Approximate CCs for various combinations - Click Here

Approximate Compression Ratios for Big Bore and Stroker Kits - Click Here

Amount of Piston and/or Deck Milling required for .000 Deck Heights - Click Here
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Sleeve, 3.102 (for 3.0 piston) Sleeve, 3.102 (for 3.0 piston)

Sleeve for 2.992 & 3" Pistons

Our Price: $34.99
Sleeve, 3.00 (for 2.77 piston) Sleeve, 3.00 (for 2.77 piston)

Use for 2.7 to 2.850 bore diameter. OD

Our Price: $42.99
Crankshaft, Stroker, GX200 & 6.5 OHV (+.060), Aftermarket Core Crankshaft, Stroker, GX200 & 6.5 OHV (+.060), Aftermarket Core

.060 Stroker Cranked Crankshaft welded and ground producing.060 more stroke, Puts piston at -.010 to TDC on Honda Blocks (Chinese OHVs will Vary)

Our Price: $89.99
Crankshaft, Stroker, GX390 & 420 Predators, 69mm (+.200), 420cc to 460cc : Aftermarket Core Crankshaft, Stroker, GX390 & 420 Predators, 69mm (+.200), 420cc to 460cc : Aftermarket Core

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

Our Price: $103.99
Crankshaft, Stroker, GX160 (+.160"), 180cc, QX 3/4" Crankshaft, Stroker, GX160 (+.160"), 180cc, QX 3/4"

180cc Stroker Crank, Genuine Honda Crankshaft welded and ground producing.160" more stroke, Requires UT2 GX160 Piston with Standard length (3.303) Rod. 3/4" Crank QX

Our Price: $106.99
Crankshaft, Stroker, GX160 (+.160"), 180cc, HX (6 to 1 gearbox) Crankshaft, Stroker, GX160 (+.160"), 180cc, HX (6 to 1 gearbox)

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 HX

Our Price: $133.99
Crankshaft, Stroker, Honda GX200 (+.060), QX 3/4" Crankshaft, Stroker, Honda GX200 (+.060), QX 3/4"

.060 Stroker Crank, GENUINE HONDA Crankshaft welded and ground producing.060 more stroke, 3/4" QX Crank

Our Price: $144.99
Crankshaft, Stroker, GX160 (+.160"), 180cc, RH (2 to 1 gearbox) Crankshaft, Stroker, GX160 (+.160"), 180cc, RH (2 to 1 gearbox)

180cc Stroker Crank, Genuine Honda Crankshaft welded and ground producing.160" more stroke, Requires UT2 GX160 Piston with Standard length (3.303) Rod. 2 to 1 Crank RH

Our Price: $152.99
Engine Kit, 202cc, 2.186 (+.060) Stroker, 2.68 Bore, Clone Crank & Piston Engine Kit, 202cc, 2.186 (+.060) Stroker, 2.68 Bore, Clone Crank & Piston

202+cc engine kit for 6.5 BSP Clones BSP "Clone" Crankshaft welded and ground producing.060 more stroke, Includes rotating assembly

Our Price: $178.99
Crankshaft, Stroker, Honda GX270 (+.160"), 292cc, QA Crankshaft, Stroker, Honda GX270 (+.160"), 292cc, QA

292cc Stroker Canoe Honda Crankshaft welded and ground producing.160 more stroke, 1" Shaft QA

Our Price: $182.99
Engine Kit, 180cc, GX160 + .160", Stroker Kit Engine Kit, 180cc, GX160 + .160", Stroker Kit

180cc Stroker Kit : (+.160") for GX160s. Bolt in kit

Our Price: $193.99
Engine Kit, 218cc for Old Style Predators, Engine Kit, 218cc for Old Style Predators,

218+cc engine kit for Old Style 212 Predators. OEM Crankshaft welded and ground producing.060 more stroke, Includes rotating assembly

Our Price: $199.99
Engine Kit, 218cc for Hemi Predators Engine Kit, 218cc for Hemi Predators

218+cc engine kit for 212 Hemi Predators OEM Hemi Crankshaft welded and ground producing.060 more stroke, Includes rotating assembly

Our Price: $199.99
Crankshaft, Stroker, Honda GX200 (+.060), RH (2 to 1 Gearbox) Crankshaft, Stroker, Honda GX200 (+.060), RH (2 to 1 Gearbox)

.060 Stroker Crank, GENUINE HONDA Crankshaft welded and ground producing.060 more stroke, 2 to 1 Gear Box RH Crank

Our Price: $209.99
Engine Kit, 214cc, 2.225 (+.060) Stroker, 2.756 Bore Engine Kit, 214cc, 2.225 (+.060) Stroker, 2.756 Bore

214+cc engine kit for GX200s & 6.5 OHVs using 2.756 bore Genuine Honda Crankshaft welded and ground producing.060 more stroke, Includes rotating assembly

Our Price: $229.99
Crankshaft, Stroker, GX390 & 420 Predators, 414cc to 433cc: Genuine Honda Core Crankshaft, Stroker, GX390 & 420 Predators, 414cc to 433cc: Genuine Honda Core

414cc Stroker Canoe Honda Crankshaft welded and ground producing +.160 more stroke for a total of 2.68" (68mm),

Our Price: $229.99
Engine Kit, 202cc, 2.186 (+.060) Stroker, 2.68 Bore, Honda Crank & Piston Engine Kit, 202cc, 2.186 (+.060) Stroker, 2.68 Bore, Honda Crank & Piston

202+cc engine kit for GX200s Genuine Honda Crankshaft welded and ground producing.060 more stroke, Includes rotating assembly

Our Price: $249.99
Block, 3" Sleeved Block for BSP "Clone" Engines, Finished Bore Block, 3" Sleeved Block for BSP "Clone" Engines, Finished Bore

3" reinforced "Clone" Racing Block. This 76mm block has been steel sleeved and is ready to build., Bore is finished for a 11543M07593 Wiseco Piston (2.990").

Our Price: $269.99
Engine Kit, 218 cc Kits, 2.186 (+.060) Stroke, Forged Piston - Hemi Predator Engine Kit, 218 cc Kits, 2.186 (+.060) Stroke, Forged Piston - Hemi Predator

218 to 227 cc Kit for 212 Predators,.060 Stroker Crank. Choice of 2.756 or 2.815 piston Includes Welded and Ground OEM Predator Crank, Billet Rod, Choice of Wiseco 2 ring Forged Piston, & Rings, HD Wristpin & Clips

Our Price: $289.99
Engine Kit, GX390/420, 440 cc kit, +.200 Cast Crank, 90mm Cast Piston Engine Kit, GX390/420, 440 cc kit, +.200 Cast Crank, 90mm Cast Piston

440cc Engine kit for GX390/420s with 90mm bore. Includes rotating assembly

Our Price: $309.99
Crankshaft, Stroker, +.175, Billet, GX200 & 6.5 OHV Crankshaft, Stroker, +.175, Billet, GX200 & 6.5 OHV

2.3" Stroke (+.175) Billet Crankshaft for GX200 & Honda style clones

Our Price: $319.00
Engine Kit, GX390, 420cc , +.200 Cast Crank, 88mm Cast Flattop Engine Kit, GX390, 420cc , +.200 Cast Crank, 88mm Cast Flattop

420cc Engine kit for GX390s with stock bore. Includes rotating assembly

Our Price: $339.99
Short Block, Racing, 6.5 OHV (Chinese) Short Block, Racing, 6.5 OHV (Chinese)

Honda GX200 or 6.5 Chinese OHV Racing Short block, Several Options available

Our Price: $359.99
Engine Kit, GX270, 292cc (+.160) Stroker - Q (1" Shaft) Engine Kit, GX270, 292cc (+.160) Stroker - Q (1" Shaft)

292+cc engine kit for GX270s Includes rotating assembly

Our Price: $359.99
Crankshaft, Stroker, +.175, Special Billet Alloy, GX200 & 212 Predator Crankshaft, Stroker, +.175, Special Billet Alloy, GX200 & 212 Predator

Billet Steel GX200 Stroker Crank, +.175 Stroker, 1" Pin Requires special ARC Rod (3.625). Machined from solid bar of alloy steel

Our Price: $420.00
Short Block, Racing, Predator Short Block, Racing, Predator

Predator Racing Short block, Several Options available

Our Price: $438.99
Short Block, Racing, 212 Predator Short Block, Racing, 212 Predator

Honda GX200 or 6.5 Chinese OHV Racing Short block, Several Options available

Our Price: $438.99
Engine Kit, GX270, 292cc (+.160) Stroker - R (2 to 1 Gearbox Cranks) Engine Kit, GX270, 292cc (+.160) Stroker - R (2 to 1 Gearbox Cranks)

292+cc engine kit for GX270s using 2 to 1 gearboxes Includes rotating assembly

Our Price: $449.99
Engine Kit, GX390, 414cc kit, +.160 Honda Crank, 88mm Cast Flattop, +.160 Honda Crank, 88mm Cast Flattop Engine Kit, GX390, 414cc kit, +.160 Honda Crank, 88mm Cast Flattop, +.160 Honda Crank, 88mm Cast Flattop

414cc Engine kit for GX390s with stock bore. Includes rotating assembly

Our Price: $469.99
Short Block, Racing - GX200 Honda Short Block, Racing - GX200 Honda

Honda GX200 or 6.5 Chinese OHV Racing Short block, Several Options available

Our Price: $479.99