Big Bore Kits
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V-Twin - 11-1258 - 83 inch Evolution Big Bore Cylinder Kit
Motorshop
$743.19V-Twin - 11-1258 - 83 inch Evolution Big Bore Cylinder KitDescriptionEvolution 83" Big Bore bolt on silver cylinder kit includes 10:1 compression Wiseco forged dome piston kit, which have been honed for final fitment. No case boring required.Includes two...$743.19 -
S&S Cycle - Wrinkle Black XL883 to 1200 Conversion Kit fits '86-'20 XL 883 Models
S&S Cycle
$1,128.95S&S Cycle - Wrinkle Black XL883 to 1200 Conversion Kit fits '86-'20 XL 883 Models This conversion kit installs in no time at all since the pistons are already fit to the cylinders, making them prepared for assembly as soon as you open them! The kits...$1,128.95 -
S&S Cycle - 96" Big Bore Kit fits '84-'00 Evolution Big Twin Engines (3⅝" Bore, 4⅝" Stroke, 9.75:1 Compression Ratio W/ Stock Heads)
S&S Cycle
$1,489.95S&S Cycle - 96" Big Bore Kit fits '84-'00 Evolution Big Twin Engines (3⅝" Bore, 4⅝" Stroke, 9.75:1 Compression Ratio W/ Stock Heads) The cylinders featured in this kit are built with premium aluminum castings with cast-in iron liners. This kit also...$1,489.95 -
S&S Cycle - Wrinkle Black 110" Bolt-In Sidewinder® 4" Big Bore Kit fits '07-'17 Twin Cam Engines
S&S Cycle
MSRP: $1,549.95$1,540.95S&S Cycle - Wrinkle Black 110" Bolt-In Sidewinder® 4" Big Bore Kit fits '07-'17 Twin Cam Engines This Big Bore Kit has a 10.5:1 compression ratio (W/ stock 85cc heads) that will transform your engine into a street-ready and reliable machine...MSRP: $1,549.95$1,540.95 -
S&S Cycle - Hooligan Kits fits '00-'20 XL Models
S&S Cycle
MSRP: $1,999.95$1,822.95S&S Cycle - Hooligan Kits fits '00-'20 XL Models S&S Cycle's Hooligan Kits are bolt on big-bore kits that provide easy installation without any machining or rebalancing. The cams are .482" lift and 240° duration intake and 234° degree...MSRP: $1,999.95$1,822.95 -
Out of stock
S&S Big Bore Kit for M8 Harley Softail & Touring '17-Up
S&S Cycle
$929.95S&S Big Bore Kit for M8 Harley Softail & Touring '17-Up This S&S Big Bore Kit is for Milwaukee-Eight Harley Softail and Touring models 2017 and up, including Softail Heritage Classic and Breakout. Available as a whole kit or as a cylinder...$929.95 -
S&S Cycle - Black Powdercoat 95" Big Bore Kit fits '99-'06 Twin Cam Engines (3.875" Bore, 4" Stroke, 9.7:1 Comp. W/ Stock Heads)
S&S Cycle
$1,287.95S&S Cycle - Black Powdercoat 95" Big Bore Kit fits '99-'06 Twin Cam Engines (3.875" Bore, 4" Stroke, 9.7:1 Comp. W/ Stock Heads) This Big Bore Kit produces outstanding outcomes with stock cylinder heads. It comes complete with cylinders, pistons,...$1,287.95 -
S&S Cycle - Silver 100" Bolt-In Sidewinder® 4" Big Bore Kit fits '99-'06 Twin Cam Engines
S&S Cycle
MSRP: $1,594.95$1,540.95S&S Cycle - Silver 100" Bolt-In Sidewinder® 4" Big Bore Kit fits '99-'06 Twin Cam Engines This Big Bore Kit has a 10.5:1 compression ratio (W/ stock 85cc heads) that will transform your engine into a street-ready and reliable machine which will...MSRP: $1,594.95$1,540.95 -
S&S Cycle - 110" Power Package fits '07-'17 Twin Cam Engines
S&S Cycle
$3,396.95S&S Cycle - 110" Power Package fits '07-'17 Twin Cam Engines S&S Cycle has created the largest big-bore kits available today, without doing crankcase mods! This kit increases displacement to 110" ('07-'17) and the cylinders fit to the pistons...$3,396.95 -
S&S Cycle - 310-1395A - Power Pack - Oil Cooled - 496 Chain Drive - Wrinkle Black w/Highlight - M8
S&S Cycle
$3,294.95S&S Cycle - 310-1395A - Power Pack - Oil Cooled - 496 Chain Drive - Wrinkle Black w/Highlight - M8FeaturesBig bore bolt-on kit increases 107" M8 to 129" with no case machining requiredS&S oil pump/cam platePassage plugs are removable for...$3,294.95 -
S&S Cycle - 310-1400A - Power Package - Water Cooled - 496 Chain Drive - Black Granite w/Highlight - M8
S&S Cycle
$3,294.95S&S Cycle - 310-1400A - Power Package - Water Cooled - 496 Chain Drive - Black Granite w/Highlight - M8FeaturesBig bore bolt-on kit increases your 114"/117" with 4.50" stroke M8 to 132" with no case machining requiredS&S oil pump/cam platePassage plugs...$3,294.95 -
S&S Cycle - 310-1393A - Power Package - Oil Cooled - 496 Gear Drive - Wrinkle Black w/Highlight - M8
S&S Cycle
$3,497.95S&S Cycle - 310-1393A - Power Package - Oil Cooled - 496 Gear Drive - Wrinkle Black w/Highlight - M8FeaturesBig bore bolt-on kit increases your 114"/117" with 4.50" stroke M8 to 132" with no case machining requiredS&S oil pump/cam platePassage plugs are...$3,497.95 -
S&S Cycle - 310-1238D - Power Pack - Oil Cooled - 550G - Black Granite w/Highlight - Chrome Pushrod Tubes - 114"/117" M8
S&S Cycle
$3,497.95S&S Cycle - 310-1238D - Power Pack - Oil Cooled - 550G - Black Granite w/Highlight - Chrome Pushrod Tubes - 114"/117" M8FeaturesUpdated profile4.32" bore cylinders with 11.0:1 compression ratio forged pistonsS&S oil pump/cam plate with blue anodized...$3,497.95 -
S&S Cycle - 310-1398A - Power Pack - Oil Cooled - 496 Gear Drive - Wrinkle Black w/Highlight - M8
S&S Cycle
$3,497.95S&S Cycle - 310-1398A - Power Pack - Oil Cooled - 496 Gear Drive - Wrinkle Black w/Highlight - M8FeaturesBig bore bolt-on kit increases 107" M8 to 129" with no case machining requiredS&S oil pump/cam platePassage plugs are removable for...$3,497.95 -
S&S Cycle - 310-1109D - Power Pack - Oil Cooled - 550C - Black Granite w/Highlight - Chrome Pushrod Tubes - M8
S&S Cycle
$3,294.95S&S Cycle - 310-1109D - Power Pack - Oil Cooled - 550C - Black Granite w/Highlight - Chrome Pushrod Tubes - M8FeaturesUpdated profileForged pistonsMade in the USAIncludes oil pump/cam plate, pushrods, tappets, tappet cuffs, 550 camshaft, valve springsOil...$3,294.95 -
S&S Cycle - 310-1108D - Power Pack - Water Cooled - 550G - Black Granite w/Highlight - Chrome Pushrod Tubes - M8
S&S Cycle
$3,497.95S&S Cycle - 310-1108D - Power Pack - Water Cooled - 550G - Black Granite w/Highlight - Chrome Pushrod Tubes - M8FeaturesUpdated profileForged pistonsMade in the USAIncludes oil pump/cam plate, pushrods, tappets, tappet cuffs, 550 camshaft, valve...$3,497.95 -
S&S Cycle - 310-1104D - Power Pack - Oil Cooled - 550G - Wrinkle Black w/Highlight - Chrome Pushrod Tubes - M8
S&S Cycle
$3,497.95S&S Cycle - 310-1104D - Power Pack - Oil Cooled - 550G - Wrinkle Black w/Highlight - Chrome Pushrod Tubes - M8FeaturesUpdated profileForged pistonsMade in the USAIncludes oil pump/cam plate, pushrods, tappets, tappet cuffs, 550 camshaft, valve springsOil...$3,497.95 -
S&S Cycle - 310-1235D - Power Pack - Water Cooled - 550C - Black Granite w/Highlight - Chrome Pushrod Tubes - 114"/117" M8
S&S Cycle
$3,294.95S&S Cycle - 310-1235D - Power Pack - Water Cooled - 550C - Black Granite w/Highlight - Chrome Pushrod Tubes - 114"/117" M8FeaturesUpdated profile4.32" bore cylinders with 11.0:1 compression ratio forged pistonsS&S oil pump/cam plate with blue anodized...$3,294.95 -
S&S Cycle - 310-1105D - Power Pack - Oil Cooled - 550C - Wrinkle Black w/o Highlight - Chrome Pushrod Tubes - M8
S&S Cycle
$3,294.95S&S Cycle - 310-1105D - Power Pack - Oil Cooled - 550C - Wrinkle Black w/o Highlight - Chrome Pushrod Tubes - M8FeaturesUpdated profileForged pistonsMade in the USAIncludes oil pump/cam plate, pushrods, tappets, tappet cuffs, 550 camshaft, valve...$3,294.95 -
S&S Cycle - 310-1102D - Power Pack - Water Cooled - 550G - Wrinkle Black w/Highlight - Chrome Pushrod Tubes - M8
S&S Cycle
$3,497.95S&S Cycle - 310-1102D - Power Pack - Water Cooled - 550G - Wrinkle Black w/Highlight - Chrome Pushrod Tubes - M8FeaturesUpdated profileForged pistonsMade in the USAIncludes oil pump/cam plate, pushrods, tappets, tappet cuffs, 550 camshaft, valve...$3,497.95 -
S&S Cycle - 310-1057D - Power Pack - Oil Cooled - 550C - Wrinkle Black w/o Highlight - Black Pushrod Tubes - M8
S&S Cycle
$3,294.95S&S Cycle - 310-1057D - Power Pack - Oil Cooled - 550C - Wrinkle Black w/o Highlight - Black Pushrod Tubes - M8FeaturesUpdated finsNo case machining requiredForged pistonsMade in the USAIncludes oil pump/cam plate, pushrods, tappets, tappet cuffs, 550...$3,294.95 -
S&S Cycle - 310-1054D - Power Pack - Water Cooled - 550C - Wrinkle Black w/Highlight - Black Pushrod Tubes - M8
S&S Cycle
$3,294.95S&S Cycle - 310-1054D - Power Pack - Water Cooled - 550C - Wrinkle Black w/Highlight - Black Pushrod Tubes - M8FeaturesUpdated finsNo case machining requiredForged pistonsMade in the USAIncludes oil pump/cam plate, pushrods, tappets, tappet cuffs, 550...$3,294.95 -
S&S Cycle - 310-1403A - Power Package - Water Cooled - 496 Gear Drive - Wrinkle Black w/Highlight - M8
S&S Cycle
$3,497.95S&S Cycle - 310-1403A - Power Package - Water Cooled - 496 Gear Drive - Wrinkle Black w/Highlight - M8FeaturesBig bore bolt-on kit increases your 114"/117" with 4.50" stroke M8 to 132" with no case machining requiredS&S oil pump/cam platePassage plugs...$3,497.95 -
S&S Cycle - 310-1401A - Power Package - Water Cooled - 496 Chain Drive - Wrinkle Black w/Highlight - M8
S&S Cycle
$3,294.95S&S Cycle - 310-1401A - Power Package - Water Cooled - 496 Chain Drive - Wrinkle Black w/Highlight - M8FeaturesBig bore bolt-on kit increases your 114"/117" with 4.50" stroke M8 to 132" with no case machining requiredS&S oil pump/cam platePassage plugs...$3,294.95 -
S&S Cycle - 310-1392A - Power Package - Oil Cooled - 496 Gear Drive - Wrinkle Black w/o Highlight - M8
S&S Cycle
$3,497.95S&S Cycle - 310-1392A - Power Package - Oil Cooled - 496 Gear Drive - Wrinkle Black w/o Highlight - M8FeaturesBig bore bolt-on kit increases your 114"/117" with 4.50" stroke M8 to 132" with no case machining requiredS&S oil pump/cam platePassage plugs...$3,497.95 -
S&S Cycle - 310-1394A - Power Pack - Oil Cooled - 496 Chain Drive - Wrinkle Black w/o Highlight - M8
S&S Cycle
$3,294.95S&S Cycle - 310-1394A - Power Pack - Oil Cooled - 496 Chain Drive - Wrinkle Black w/o Highlight - M8FeaturesBig bore bolt-on kit increases 107" M8 to 129" with no case machining requiredS&S oil pump/cam platePassage plugs are removable for...$3,294.95 -
S&S Cycle - 310-1228D - Power Pack - Oil Cooled - 550G - Wrinkle Black w/o Highlight - Black Pushrod Tubes - 107" M8
S&S Cycle
$3,497.95S&S Cycle - 310-1228D - Power Pack - Oil Cooled - 550G - Wrinkle Black w/o Highlight - Black Pushrod Tubes - 107" M8Features4.32" bore cylinders with 11.0:1 compression ratio forged pistonsS&S oil pump/cam plate with blue anodized finishPassage plugs are...$3,497.95 -
S&S Cycle - 310-1389A - Power Package - Oil Cooled - 496 Chain Drive - Wrinkle Black w/o Highlight - M8
S&S Cycle
$3,294.95S&S Cycle - 310-1389A - Power Package - Oil Cooled - 496 Chain Drive - Wrinkle Black w/o Highlight - M8FeaturesBig bore bolt-on kit increases your 114"/117" with 4.50" stroke M8 to 132" with no case machining requiredS&S oil pump/cam platePassage plugs...$3,294.95 -
S&S Cycle - 310-1237D - Power Pack - Oil Cooled - 550C - Black Granite w/Highlight - Chrome Pushrod Tubes - 114"/117" M8
S&S Cycle
$3,294.95S&S Cycle - 310-1237D - Power Pack - Oil Cooled - 550C - Black Granite w/Highlight - Chrome Pushrod Tubes - 114"/117" M8FeaturesUpdated profile4.32" bore cylinders with 11.0:1 compression ratio forged pistonsS&S oil pump/cam plate with blue anodized...$3,294.95 -
S&S Cycle - 310-1397A - Power Pack - Oil Cooled - 496 Gear Drive - Wrinkle Black w/o Highlight - M8
S&S Cycle
$3,497.95S&S Cycle - 310-1397A - Power Pack - Oil Cooled - 496 Gear Drive - Wrinkle Black w/o Highlight - M8FeaturesBig bore bolt-on kit increases 107" M8 to 129" with no case machining requiredS&S oil pump/cam platePassage plugs are removable for...$3,497.95 -
S&S Cycle - 310-1231D - Power Pack - Oil Cooled - 550C - Wrinkle Black w/Highlight - Chrome Pushrod Tubes - 114"/117" M8
S&S Cycle
$3,294.95S&S Cycle - 310-1231D - Power Pack - Oil Cooled - 550C - Wrinkle Black w/Highlight - Chrome Pushrod Tubes - 114"/117" M8FeaturesUpdated profile4.32" bore cylinders with 11.0:1 compression ratio forged pistonsS&S oil pump/cam plate with blue anodized...$3,294.95 -
S&S Cycle - 310-1058D - Power Pack - Oil Cooled - 550G - Wrinkle Black w/Highlight - Black Pushrod Tubes - M8
S&S Cycle
$3,497.95S&S Cycle - 310-1058D - Power Pack - Oil Cooled - 550G - Wrinkle Black w/Highlight - Black Pushrod Tubes - M8FeaturesUpdated finsNo case machining requiredForged pistonsMade in the USAIncludes oil pump/cam plate, pushrods, tappets, tappet cuffs, 550...$3,497.95 -
S&S Cycle - 310-1236D - Power Pack - Water Cooled - 550G - Black Granite w/Highlight - Chrome Pushrod Tubes -114"/117" M8
S&S Cycle
$3,497.95S&S Cycle - 310-1236D - Power Pack - Water Cooled - 550G - Black Granite w/Highlight - Chrome Pushrod Tubes -114"/117" M8FeaturesUpdated profile4.32" bore cylinders with 11.0:1 compression ratio forged pistonsS&S oil pump/cam plate with blue anodized...$3,497.95 -
S&S Cycle - 310-1224D - Power Pack - Oil Cooled - 550G - Wrinkle Black w/Highlight - Chrome Pushrod Tubes - 107" M8
S&S Cycle
$3,497.95S&S Cycle - 310-1224D - Power Pack - Oil Cooled - 550G - Wrinkle Black w/Highlight - Chrome Pushrod Tubes - 107" M8Features4.32" bore cylinders with 11.0:1 compression ratio forged pistonsS&S oil pump/cam plate with blue anodized finishPassage plugs are...$3,497.95 -
S&S Cycle - 310-1227D - Power Pack - Oil Cooled - 550G - Wrinkle Black w/Highlight - Black Pushrod Tubes - 107" M8
S&S Cycle
$3,497.95S&S Cycle - 310-1227D - Power Pack - Oil Cooled - 550G - Wrinkle Black w/Highlight - Black Pushrod Tubes - 107" M8Features4.32" bore cylinders with 11.0:1 compression ratio forged pistonsS&S oil pump/cam plate with blue anodized finishPassage plugs are...$3,497.95 -
S&S Cycle - 310-1234D - Power Pack - Oil Cooled - 550G - Wrinkle Black w/o Highlight - Chrome Pushrod Tubes - 114"/117" M8
S&S Cycle
$3,497.95S&S Cycle - 310-1234D - Power Pack - Oil Cooled - 550G - Wrinkle Black w/o Highlight - Chrome Pushrod Tubes - 114"/117" M8FeaturesUpdated profile4.32" bore cylinders with 11.0:1 compression ratio forged pistonsS&S oil pump/cam plate with blue anodized...$3,497.95 -
S&S Cycle - 310-1053D - Power Pack - Oil Cooled - 550G - Wrinkle Black w/Highlight - Chrome Pushrod Tubes - M8
S&S Cycle
$3,497.95S&S Cycle - 310-1053D - Power Pack - Oil Cooled - 550G - Wrinkle Black w/Highlight - Chrome Pushrod Tubes - M8FeaturesUpdated finsNo case machining requiredForged pistonsMade in the USAIncludes oil pump/cam plate, pushrods, tappets, tappet cuffs, 550...$3,497.95 -
S&S Cycle - 310-1106D - Power Pack - Oil Cooled - 550G - Wrinkle Black w/o Highlight - Chrome Pushrod Tubes - M8
S&S Cycle
$3,497.95S&S Cycle - 310-1106D - Power Pack - Oil Cooled - 550G - Wrinkle Black w/o Highlight - Chrome Pushrod Tubes - M8FeaturesUpdated profileForged pistonsMade in the USAIncludes oil pump/cam plate, pushrods, tappets, tappet cuffs, 550 camshaft, valve...$3,497.95 -
S&S Cycle - 310-1110D - Power Pack - Oil Cooled - 550G - Black Granite w/Highlight - Chrome Pushrod Tubes - M8
S&S Cycle
$3,497.95S&S Cycle - 310-1110D - Power Pack - Oil Cooled - 550G - Black Granite w/Highlight - Chrome Pushrod Tubes - M8FeaturesUpdated profileForged pistonsMade in the USAIncludes oil pump/cam plate, pushrods, tappets, tappet cuffs, 550 camshaft, valve springsOil...$3,497.95 -
S&S Cycle - 310-1232D - Power Pack - Oil Cooled - 550G - Wrinkle Black w/Highlight - Chrome Pushrod Tubes - 114"/117" M8
S&S Cycle
$3,497.95S&S Cycle - 310-1232D - Power Pack - Oil Cooled - 550G - Wrinkle Black w/Highlight - Chrome Pushrod Tubes - 114"/117" M8FeaturesUpdated profile4.32" bore cylinders with 11.0:1 compression ratio forged pistonsS&S oil pump/cam plate with blue anodized...$3,497.95
Harley Big Bore Kits
Deadbeat Customs knows Big Bore Kits are the key to increasing displacement on your Harley. Big Bore Kits replace your stock pistons and cylinders with larger ones, leading to greater displacement. When it comes to performance there’s no replacement for displacement! We have an excellent selection of kits manufactured by S&S Cycle, which come complete with all instructions to ease the installation process. The Big Bore Kits come complete with all necessary hardware. The only decisions you’ll need to make will be choosing the right fitment and finish.