Skip to content
Free U.S. shipping on orders $50+ (Lower 48)
Free U.S. shipping on orders $50+ (Lower 48)
Contact Us Order Status Return Policy

maintenance

Filters

$
$
$1,219.95 - $1,219.95
$1,219.95
$1,219.95 - $1,219.95
$1,219.95

S&S CYCLE 106" Big Bore Cylinder Kit - Silver - Twin Cam '06-'17

S&S CYCLE
in stock
Free Shipping
Ships within 1 Business Day
Earn $61.00 with Mega Bucks

Features Big Bore kit yields excellent results with stock cylinder heads Easy installation no need to bore or split existing cases, just swap the ...

View full details
$1,287.95 - $1,287.95
$1,287.95
$1,287.95 - $1,287.95
$1,287.95

S&S CYCLE 97" Big Bore Cylinder Kit - Black - Twin Cam '99-'06

S&S CYCLE
in stock
Free Shipping
Ships within 1 Business Day
Earn $64.40 with Mega Bucks

Features Big Bore kit yields excellent results with stock cylinder heads Easy installation no need to bore or split existing cases, just swap the ...

View full details
$1,219.95 - $1,219.95
$1,219.95
$1,219.95 - $1,219.95
$1,219.95

S&S CYCLE 97" Big Bore Cylinder Kit - Silver - Twin Cam '99-'06

S&S CYCLE
in stock
Free Shipping
Ships within 1 Business Day
Earn $61.00 with Mega Bucks

Features Big Bore kit yields excellent results with stock cylinder heads Easy installation no need to bore or split existing cases, just swap the ...

View full details
$1,599.95 - $1,599.95
$1,599.95
$1,599.95 - $1,599.95
$1,599.95

S&S CYCLE 132" Big Bore Cylinder Kit - Black Granite/Highlighted Fins - For 114"/117" Engine - M8

S&S CYCLE
in stock
Free Shipping
Ships within 1 Business Day
Earn $80.00 with Mega Bucks

Features Bolt-on without requiring machining of the crankcase Original engine serial numbers are retained MLS (multi-layered steel) head gaskets R...

View full details
Sold out
$3,396.95 - $3,396.95
$3,396.95
$3,396.95 - $3,396.95
$3,396.95

S&S CYCLE 100" Power Package - 585CE - Chain Drive - Silver - Twin Cam 88

S&S CYCLE
Out of stock
Free Shipping
Ships within 1 Business Day
Earn $169.85 with Mega Bucks

Features Made in the USA S&S 4.000" Big-Bore Cylinders, Piston Kits, S&S 585 Easy Start® Cams, S&S Quickee Pushrods, TC3 Cam Support P...

View full details
$3,396.95 - $3,396.95
$3,396.95
$3,396.95 - $3,396.95
$3,396.95

S&S CYCLE 100" Power Package - 585CE - Chain Drive - Wrinkle Black - Twin Cam 88

S&S CYCLE
in stock
Free Shipping
Ships within 1 Business Day
Earn $169.85 with Mega Bucks

Features Made in the USA S&S 4.000" Big-Bore Cylinders, Piston Kits, S&S 585 Easy Start® Cams, S&S Quickee Pushrods, TC3 Cam Support P...

View full details
Sold out
$3,396.95 - $3,396.95
$3,396.95
$3,396.95 - $3,396.95
$3,396.95

S&S CYCLE 100" Power Package - 585GE - Gear Drive - Silver - Twin Cam 88

S&S CYCLE
Out of stock
Free Shipping
Ships within 1 Business Day
Earn $169.85 with Mega Bucks

Features Made in the USA S&S 4.000" Big-Bore Cylinders, Piston Kits, S&S 585 Easy Start® Cams, S&S Quickee Pushrods, TC3 Cam Support P...

View full details
$3,396.95 - $3,396.95
$3,396.95
$3,396.95 - $3,396.95
$3,396.95

S&S CYCLE 100" Power Package - 585GE - Gear Drive - Wrinkle Black - Twin Cam 88

S&S CYCLE
in stock
Free Shipping
Ships within 1 Business Day
Earn $169.85 with Mega Bucks

Features Made in the USA S&S 4.000" Big-Bore Cylinders, Piston Kits, S&S 585 Easy Start® Cams, S&S Quickee Pushrods, TC3 Cam Support P...

View full details
Sold out
$3,359.95 - $3,359.95
$3,359.95
$3,359.95 - $3,359.95
$3,359.95

S&S CYCLE 124" Power Package - Gear Drive - Highlighted Fins - Chrome Pushrod Tubes - 107" M8

S&S CYCLE
Out of stock
Free Shipping
Ships within 1 Business Day
Earn $168.00 with Mega Bucks

Features Made in the USA Big Bore Kit 107" to 124" Big bore kit Bolt on kit No case matching required Forged pistons 11:1 Compression ratio Oil...

View full details
Sold out
$3,359.95 - $3,359.95
$3,359.95
$3,359.95 - $3,359.95
$3,359.95

S&S CYCLE 124" Power Package - Gear Drive - Highlighted Fins - Black Pushrod Tubes - 107" M8

S&S CYCLE
Out of stock
Free Shipping
Ships within 1 Business Day
Earn $168.00 with Mega Bucks

Features Made in the USA Big Bore Kit 107" to 124" Big bore kit Bolt on kit No case matching required Forged pistons 11:1 Compression ratio Oil...

View full details
Sold out
$3,289.95 - $3,289.95
$3,289.95
$3,289.95 - $3,289.95
$3,289.95

S&S CYCLE 124" Power Package - Gear Drive - Non-Highlighted Fins - Black Pushrod Tubes - 107" M8

S&S CYCLE
Out of stock
Free Shipping
Ships within 1 Business Day
Earn $164.50 with Mega Bucks

Features Made in the USA Big Bore Kit 107" to 124" Big bore kit Bolt on kit No case matching required Forged pistons 11:1 Compression ratio Oil...

View full details
Sold out
$3,289.95 - $3,289.95
$3,289.95
$3,289.95 - $3,289.95
$3,289.95

S&S CYCLE 128" Power Package Engine Performance Kit - Gear Drive

S&S CYCLE
Out of stock
Free Shipping
Ships within 1 Business Day
Earn $164.50 with Mega Bucks

Features Big-bore bolt-on kit increases 114"/117" with 4-1/2" stroke M-Eight with no case machining required 4-1/4" bore cylinders with 11:1 forge...

View full details
Sold out
$3,359.95 - $3,359.95
$3,359.95
$3,359.95 - $3,359.95
$3,359.95

S&S CYCLE 128" Power Package - Gear Drive - Wrinkle Black with Highlighted Fins - 114"/117" M8

S&S CYCLE
Out of stock
Free Shipping
Ships within 1 Business Day
Earn $168.00 with Mega Bucks

Features Made in the USA Big Bore Kit Big-bore bolt-on kit increases 114"/117" with 4-1/2" stroke M-Eight to 128" with no case machining require...

View full details
Sold out
$3,359.95 - $3,359.95
$3,359.95
$3,359.95 - $3,359.95
$3,359.95

S&S CYCLE 128" Power Package Engine Performance Kit - Gear Drive

S&S CYCLE
Out of stock
Free Shipping
Ships within 1 Business Day
Earn $168.00 with Mega Bucks

Features Big-bore bolt-on kit increases 114"/117" with 4-1/2" stroke M-Eight with no case machining required 4-1/4" bore cylinders with 11:1 forge...

View full details
Sold out
$3,109.95 - $3,109.95
$3,109.95
$3,109.95 - $3,109.95
$3,109.95

S&S CYCLE 124" Power Package - Chain Drive - Highlighted Fins - Chrome Pushrod Tubes - Water Cooled 107" M8

S&S CYCLE
Out of stock
Free Shipping
Ships within 1 Business Day
Earn $155.50 with Mega Bucks

Features Made in the U.S.A. Big Bore Kit 107" to 124" Big bore kit Bolt on kit. No case machining required Forged pistons 11.1 Compression ratio...

View full details
Sold out
$3,109.95 - $3,109.95
$3,109.95
$3,109.95 - $3,109.95
$3,109.95

S&S CYCLE 124" Power Package - Chain Drive - Highlighted Fins - Chrome Pushrod Tubes - Oil Cooled 107" M8

S&S CYCLE
Out of stock
Free Shipping
Ships within 1 Business Day
Earn $155.50 with Mega Bucks

Features Made in the USA Big Bore Kit 107" to 124" Big bore kit Bolt on kit No case matching required Forged pistons 11:1 Compression ratio Oil...

View full details
$3,169.95 - $3,169.95
$3,169.95
$3,169.95 - $3,169.95
$3,169.95

S&S CYCLE 124" Power Package - Chain Drive - Highlighted Fins - Black Pushrod Tubes - Water Cooled 107" M8

S&S CYCLE
Only 1 left!
Free Shipping
Ships within 1 Business Day
Earn $158.50 with Mega Bucks

Features Made in the U.S.A. Big Bore Kit 107" to 124" Big bore kit Bolt on kit. No case machining required Forged pistons 11.1 Compression ratio...

View full details
Sold out
$3,109.95 - $3,109.95
$3,109.95
$3,109.95 - $3,109.95
$3,109.95

S&S CYCLE 124" Power Package - Chain Drive - Highlighted Fins - Black Pushrod Tubes - Oil Cooled 107" M8

S&S CYCLE
Out of stock
Free Shipping
Ships within 1 Business Day
Earn $155.50 with Mega Bucks

Features Made in the USA Big Bore Kit 107" to 124" Big bore kit Bolt on kit No case matching required Forged pistons 11:1 Compression ratio Oil...

View full details
Sold out
$3,169.95 - $3,169.95
$3,169.95
$3,169.95 - $3,169.95
$3,169.95

S&S CYCLE 128" Power Package - Chain Drive - Wrinkle Black with Highlighted Fins - Oil Cooled 114"/117" M8

S&S CYCLE
Out of stock
Free Shipping
Ships within 1 Business Day
Earn $158.50 with Mega Bucks

Features Made in the USA Big Bore Kit Big-bore bolt-on kit increases 114"/117" with 4-1/2" stroke M-Eight to 128" with no case machining require...

View full details
Sold out
$3,109.95 - $3,109.95
$3,109.95
$3,109.95 - $3,109.95
$3,109.95

S&S CYCLE 128" Power Package Engine Performance Kit - Chain Drive

S&S CYCLE
Out of stock
Free Shipping
Ships within 1 Business Day
Earn $155.50 with Mega Bucks

Features Big-bore bolt-on kit increases 114"/117" with 4-1/2" stroke M-Eight with no case machining required 4-1/4" bore cylinders with 11:1 forge...

View full details
Sold out
$3,169.95 - $3,169.95
$3,169.95
$3,169.95 - $3,169.95
$3,169.95

S&S CYCLE 128" Power Package - Chain Drive - Black Granite with Highlighted Fins - 114"/117" M8

S&S CYCLE
Out of stock
Free Shipping
Ships within 1 Business Day
Earn $158.50 with Mega Bucks

Features Made in the USA Big Bore Kit Big-bore bolt-on kit increases 114"/117" with 4-1/2" stroke M-Eight to 128" with no case machining require...

View full details
Sold out
$3,359.95 - $3,359.95
$3,359.95
$3,359.95 - $3,359.95
$3,359.95

S&S CYCLE 132" Power Package Engine Performance Kit - Chain Drive - Water Cooled - Highlighted Fins - M8

S&S CYCLE
Out of stock
Free Shipping
Ships within 1 Business Day
Earn $168.00 with Mega Bucks

Features Transform the 114" or the 117" water-cooled M8 into 132" Adjustable pressure relief valve can be adjusted with unit installed in the engi...

View full details
Sold out
$3,559.95 - $3,559.95
$3,559.95
$3,559.95 - $3,559.95
$3,559.95

S&S CYCLE 132" Power Package Engine Performance Kit - Gear Drive - Water Cooled - Highlighted Fins - M8

S&S CYCLE
Out of stock
Free Shipping
Ships within 1 Business Day
Earn $178.00 with Mega Bucks

Features Transform 107" oil-cooled M8 into 129" with no case machining required Big bore cylinders come with matching cam, cam plate and oil pump ...

View full details
Sold out
$3,359.95 - $3,359.95
$3,359.95
$3,359.95 - $3,359.95
$3,359.95

S&S CYCLE 129" Power Package Engine Performance Kit - Gear Drive - Oil Cooled - Highlighted Fins - M8

S&S CYCLE
Out of stock
Free Shipping
Ships within 1 Business Day
Earn $168.00 with Mega Bucks

Features Transform 107" oil-cooled M8 into 129" with no case machining required Big bore cylinders come with matching cam, cam plate and oil pump ...

View full details