Big Bore Kits

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V-Twin

Custom Chrome

Drag Specialties

S&S Cycle

Mid-USA

Wyatt Gatling

Bitubo Suspension

Colony

Magnum Shielding

Motorshop

View all Brands

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S&S Cycle
|
sku: 0922-0124

S&S Cycle #900-0569 - 124" Hot Set Up® - Big Bore/Stroker - Wrinkle Black - 96B/103B/110B Twin Cam

MSRP:

Was:

Now: $7,104.95

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S&S Cycle
|
sku: ssc91-9126

S&S Cycle #91-9126 - 93" Sidewinder® Big Bore Stroker Engine Performance Kit

MSRP: $3,795.95

Was:

Now: $3,416.36

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S&S Cycle
|
sku: 0903-1301

S&S Cycle #910-0700 - Hooligan Kit - 883 cc to 1200 cc - Silver Powdercoat - Sportster

MSRP: $1,822.95

Was:

Now: $1,640.66

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S&S Cycle
|
sku: 0903-1302

S&S Cycle #910-0701 - Hooligan Kit - 1200 cc to 1250 cc - Wrinkle Black - Sportster

MSRP: $1,822.95

Was:

Now: $1,640.66

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S&S Cycle
|
sku: 0903-1303

S&S Cycle #910-0702 - Hooligan Kit - 1200 cc to 1250 cc - Silver Powdercoat - Sportster

MSRP: $1,822.95

Was:

Now: $1,640.66

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sku: 0904-0151

S&S Cycle #910-0909A - 132" High Compression | 136" Big Bore Kit - 4.320" Bore - Black w/Highlighted Fins - M8

MSRP: $1,849.95

Was:

Now: $1,664.96

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sku: 0904-0152

S&S Cycle #910-0910A - 132" High Compression | 136" Big Bore Kit - 4.320" Bore - Black w/o Highlighted Fins - M8

MSRP: $1,849.95

Was:

Now: $1,664.96

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sku: 0904-0153

S&S Cycle #910-0911A - 132" High Compression | 136" Big Bore Kit - 4.320" Bore - Black Granite w/Highlighted Fins - M8

MSRP: $1,849.95

Was:

Now: $1,664.96

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sku: 0904-0148

S&S Cycle #910-1008A - 132" High Compression | 136" Big Bore Kit - 4.320" Bore - Black w/Highlighted Fins - M8

MSRP: $1,849.95

Was:

Now: $1,664.96

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sku: 0904-0149

S&S Cycle #910-1009A - 132" High Compression | 136" Big Bore Kit - 4.320" Bore - Black w/o Highlighted Fins - M8

MSRP: $1,849.95

Was:

Now: $1,664.96

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sku: 0904-0150

S&S Cycle #910-1010A - 132" High Compression | 136" Big Bore Kit - 4.320" Bore - Black Granite w/Highlighted Fins - M8

MSRP: $1,849.95

Was:

Now: $1,664.96

Add to Cart
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S&S Cycle
|
sku: SS-920-0144

S&S Cycle #920-0144 - Big Bore Kit, 750cc, Royal Enfield 650 Twin

MSRP:

Was:

Now: $896.95
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S&S Cycle
|
sku: SS-920-0145

S&S Cycle #920-0145 - Big Bore Kit, 865cc, Royal Enfield 650 Twin

MSRP:

Was:

Now: $875.95
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S&S Cycle
|
sku: ssc32-2219

S&S Cycle 32-2219 S&S Cycle 36-54 BT 84in Stock Bore Stroker Kit

MSRP: $1,595.95

Was:

Now: $1,436.36
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S&S Cycle
|
sku: ssc32-2220

S&S Cycle 32-2220 S&S Cycle 55-64 BT 84in Stock Bore Stroker Kit

MSRP: $1,595.95

Was:

Now: $1,436.36

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S&S Cycle #900-0569 - 124" Hot Set Up® - Big Bore/Stroker - Wrinkle Black - 96B/103B/110B Twin Cam
This 124" big bore/stroker Hot Set Up Kit® transforms a stock engine into a 124" monster. This kit includes S&S 4-1/8" bore pistons, big bore cylinders finished in wrinkle black powder coat, a...

MSRP:

Was:

Now: $7,104.95
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S&S Cycle #91-9126 - 93" Sidewinder® Big Bore Stroker Engine Performance Kit
93" Sidewinder® Big Bore Stroker Engine Performance KitFeaturesSidewinder Big Bore Stroker KitContains nearly everything needed to take a stock 74" or 80" H-D. Shovelhead engine up to 93" or 96"...

MSRP: $3,795.95

Was:

Now: $3,416.36
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S&S Cycle #910-0700 - Hooligan Kit - 883 cc to 1200 cc - Silver Powdercoat - Sportster
Whether you’re racing Hooligan flat-track or just want more power, the S&S Hooligan kits for 2000-’21 Harley-Davidson ® Sportster ® models will give you an edge on the competition. Boost that 883 to...

MSRP: $1,822.95

Was:

Now: $1,640.66
Add to Cart
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S&S Cycle #910-0701 - Hooligan Kit - 1200 cc to 1250 cc - Wrinkle Black - Sportster
Whether you’re racing Hooligan flat-track or just want more power, the S&S Hooligan kits for 2000-’21 Harley-Davidson ® Sportster ® models will give you an edge on the competition. Boost that 1200 to...

MSRP: $1,822.95

Was:

Now: $1,640.66
Add to Cart
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S&S Cycle #910-0702 - Hooligan Kit - 1200 cc to 1250 cc - Silver Powdercoat - Sportster
Whether you’re racing Hooligan flat-track or just want more power, the S&S Hooligan kits for 2000-’21 Harley-Davidson ® Sportster ® models will give you an edge on the competition. Boost that 1200 to...

MSRP: $1,822.95

Was:

Now: $1,640.66
Add to Cart
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S&S Cycle #910-0909A - 132" High Compression | 136" Big Bore Kit - 4.320" Bore - Black w/Highlighted Fins - M8
132" High Compression | 136" Big Bore Kit - 4.320" Bore - Black w/Highlighted Fins - M8Features132" high compression kit will work on 114"/117" motors with 4-1/2" stroke flywheels onlyTo achieve 136"...

MSRP: $1,849.95

Was:

Now: $1,664.96
Add to Cart
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S&S Cycle #910-0910A - 132" High Compression | 136" Big Bore Kit - 4.320" Bore - Black w/o Highlighted Fins - M8
132" High Compression | 136" Big Bore Kit - 4.320" Bore - Black w/o Highlighted Fins - M8Features132" high compression kit will work on 114"/117" motors with 4-1/2" stroke flywheels onlyTo achieve...

MSRP: $1,849.95

Was:

Now: $1,664.96
Add to Cart
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S&S Cycle #910-0911A - 132" High Compression | 136" Big Bore Kit - 4.320" Bore - Black Granite w/Highlighted Fins - M8
132" High Compression | 136" Big Bore Kit - 4.320" Bore - Black Granite w/Highlighted Fins - M8Features132" high compression kit will work on 114"/117" motors with 4-1/2" stroke flywheels onlyTo...

MSRP: $1,849.95

Was:

Now: $1,664.96
Add to Cart
Quick view

S&S Cycle #910-1008A - 132" High Compression | 136" Big Bore Kit - 4.320" Bore - Black w/Highlighted Fins - M8
132" High Compression | 136" Big Bore Kit - 4.320" Bore - Black w/Highlighted Fins - M8Features132" high compression kit will work on 114"/117" motors with 4-1/2" stroke flywheels onlyTo achieve 136"...

MSRP: $1,849.95

Was:

Now: $1,664.96
Add to Cart
Quick view

S&S Cycle #910-1009A - 132" High Compression | 136" Big Bore Kit - 4.320" Bore - Black w/o Highlighted Fins - M8
132" High Compression | 136" Big Bore Kit - 4.320" Bore - Black w/o Highlighted Fins - M8Features132" high compression kit will work on 114"/117" motors with 4-1/2" stroke flywheels onlyTo achieve...

MSRP: $1,849.95

Was:

Now: $1,664.96
Add to Cart
Quick view

S&S Cycle #910-1010A - 132" High Compression | 136" Big Bore Kit - 4.320" Bore - Black Granite w/Highlighted Fins - M8
132" High Compression | 136" Big Bore Kit - 4.320" Bore - Black Granite w/Highlighted Fins - M8Features132" high compression kit will work on 114"/117" motors with 4-1/2" stroke flywheels onlyTo...

MSRP: $1,849.95

Was:

Now: $1,664.96
Add to Cart
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S&S Cycle #920-0144 - Big Bore Kit, 750cc, Royal Enfield 650 Twin
Complete kits include cylinders, pistons, and a head gasket Stock S&S 750 Kit Bore X Stroke 78 x 67.8mm 83.5 x 67.8mm Compression Ratio 9.5:1 11.0:1

MSRP:

Was:

Now: $896.95
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S&S Cycle #920-0145 - Big Bore Kit, 865cc, Royal Enfield 650 Twin
Complete kits include cylinders, pistons, and a head gasket Stock S&S 865 Kit Bore X Stroke 78 x 67.8mm 90 x 67.8mm Compression Ratio 9.5:1 11.0:1

MSRP:

Was:

Now: $875.95
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S&S Cycle 32-2219 S&S Cycle 36-54 BT 84in Stock Bore Stroker Kit
Stock bore stroker kits have always been an economical way to increase the displacement of your engine. This S&S 84" stock bore Hot Set Up Kit upgrades 74" knucklehead and panhead engines to 84"...

MSRP: $1,595.95

Was:

Now: $1,436.36
Quick view

S&S Cycle 32-2220 S&S Cycle 55-64 BT 84in Stock Bore Stroker Kit
Stock bore stroker kits have always been an economical way to increase the displacement of your engine. The S&S 84" stock bore Hot Set Up Kit upgrades 74" panhead engines to 84" displacement at...

MSRP: $1,595.95

Was:

Now: $1,436.36

Compare Selected

Shop by Brand

S&S Cycle

sku: 0922-0124

S&S Cycle

sku: ssc91-9126

S&S Cycle

sku: 0903-1301

S&S Cycle

sku: 0903-1302

S&S Cycle

sku: 0903-1303

sku: 0904-0151

sku: 0904-0152

sku: 0904-0153

sku: 0904-0148

sku: 0904-0149

sku: 0904-0150

S&S Cycle

sku: SS-920-0144

S&S Cycle

sku: SS-920-0145

S&S Cycle

sku: ssc32-2219

S&S Cycle

sku: ssc32-2220