Big Bore Kits
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S&S Cycle - 09040162 - 132" Power Pack - 550 Chain Drive - Oil Cooled - Black Granite w/Highlight Fins - M8
S&S Cycle
MSRP: $3,359.95$3,294.95S&S CYCLE - 09040162 - 132" Power Pack - 550 Chain Drive - Oil Cooled - Black Granite w/Highlight Fins - M8Features550 lift for the ideal combination of horse power and torquePowder coat finish...MSRP: $3,359.95$3,294.95 -
S&S Cycle - 09040160 - 132" Power Pack - 550 Gear Drive - Water Cooled - Black Granite w/Highlight Fins - M8
S&S Cycle
MSRP: $3,559.95$3,497.95S&S CYCLE - 09040160 - 132" Power Pack - 550 Gear Drive - Water Cooled - Black Granite w/Highlight Fins - M8Features550 lift for the ideal combination of horse power and torquePowder coat finish...MSRP: $3,559.95$3,497.95 -
S&S Cycle - 09040161 - 132" Power Pack - 550 Gear Drive - Water Cooled - Wrinkle Black w/Highlight Fins - M8
S&S Cycle
MSRP: $3,559.95$3,497.95S&S CYCLE - 09040161 - 132" Power Pack - 550 Gear Drive - Water Cooled - Wrinkle Black w/Highlight Fins - M8Features550 lift for the ideal combination of horse power and torquePowder coat finish...MSRP: $3,559.95$3,497.95 -
S&S Cycle - 09040158 - 129" Power Pack - 550 Gear Drive - Oil Cooled - Wrinkle Black w/Highlight Fins - M8
S&S Cycle
MSRP: $3,559.95$3,497.95S&S CYCLE - 09040158 - 129" Power Pack - 550 Gear Drive - Oil Cooled - Wrinkle Black w/Highlight Fins - M8Features550 lift for the ideal combination of horse power and torquePowder coat finish...MSRP: $3,559.95$3,497.95 -
S&S Cycle - 09040157 - 129" Power Pack - 550 Gear Drive - Oil Cooled - Wrinkle Black w/o Highlight Fins - M8
S&S Cycle
MSRP: $3,559.95$3,497.95S&S CYCLE - 09040157 - 129" Power Pack - 550 Gear Drive - Oil Cooled - Wrinkle Black w/o Highlight Fins - M8Features550 lift for the ideal combination of horse power and torquePowder coat finish...MSRP: $3,559.95$3,497.95 -
S&S Cycle - 09040154 - 132" Power Pack - 550 Gear Drive - Oil Cooled - Black Granite w/Highlight Fins - M8
S&S Cycle
MSRP: $3,559.95$3,497.95S&S CYCLE - 09040154 - 132" Power Pack - 550 Gear Drive - Oil Cooled - Black Granite w/Highlight Fins - M8Features550 lift for the ideal combination of horse power and torquePowder coat finish...MSRP: $3,559.95$3,497.95 -
S&S Cycle - 09040153 - 132" High Compression | 136" Big Bore Kit - 4.320" Bore - Black Granite w/Highlighted Fins - M8
S&S Cycle
$1,849.95S&S CYCLE - 09040153 - 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"...$1,849.95 -
S&S Cycle - 09040149 - 132" High Compression | 136" Big Bore Kit - 4.320" Bore - Black w/o Highlighted Fins - M8
S&S Cycle
$1,849.95S&S CYCLE - 09040149 - 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...$1,849.95 -
S&S Cycle - 09040152 - 132" High Compression | 136" Big Bore Kit - 4.320" Bore - Black w/o Highlighted Fins - M8
S&S Cycle
$1,849.95S&S CYCLE - 09040152 - 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...$1,849.95 -
S&S Cycle - 09040151 - 132" High Compression | 136" Big Bore Kit - 4.320" Bore - Black w/Highlighted Fins - M8
S&S Cycle
$1,849.95S&S CYCLE - 09040151 - 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...$1,849.95 -
S&S Cycle - 09040150 - 132" High Compression | 136" Big Bore Kit - 4.320" Bore - Black Granite w/Highlighted Fins - M8
S&S Cycle
$1,849.95S&S CYCLE - 09040150 - 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"...$1,849.95 -
S&S Cycle - 09040148 - 132" High Compression | 136" Big Bore Kit - 4.320" Bore - Black w/Highlighted Fins - M8
S&S Cycle
$1,849.95S&S CYCLE - 09040148 - 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...$1,849.95 -
S&S Cycle - 09040147 - Power Pack - 4.375" Stroke - Water Cooled - Black w/Highlights - M8
S&S Cycle
$3,497.95S&S CYCLE - 09040147 - Power Pack - 4.375" Stroke - Water Cooled - Black w/Highlights - M8FeaturesBolt-on kitWith updated finsNo case machining requiredForged pistonsMade in the USAIncludes oil...$3,497.95 -
S&S Cycle - 09040146 - Power Pack - 4.375" Stroke - Water Cooled - Black w/Highlights - M8
S&S Cycle
$3,294.95S&S CYCLE - 09040146 - Power Pack - 4.375" Stroke - Water Cooled - Black w/Highlights - M8FeaturesBolt-on kitWith updated finsNo case machining requiredForged pistonsMade in the USAIncludes oil...$3,294.95 -
S&S Cycle - 09040140 - Power Pack - 4.375" Stroke - Oil Cooled - Black w/o Highlights - M8
S&S Cycle
$3,497.95S&S CYCLE - 09040140 - Power Pack - 4.375" Stroke - Oil Cooled - Black w/o Highlights - M8FeaturesBolt-on kitWith updated finsNo case machining requiredForged pistonsMade in the USAIncludes oil...$3,497.95 -
S&S Cycle - 09040139 - Power Pack - 4.375" Stroke - Oil Cooled - Black w/Highlights - M8
S&S Cycle
$3,497.95S&S CYCLE - 09040139 - Power Pack - 4.375" Stroke - Oil Cooled - Black w/Highlights - M8FeaturesBolt-on kitWith updated finsNo case machining requiredForged pistonsMade in the USAIncludes oil...$3,497.95 -
S&S Cycle - 09040138 - Power Pack - 4.375" Stroke - Oil Cooled - Black Granite w/Highlights - M8
S&S Cycle
MSRP: $3,695.95$3,497.95S&S CYCLE - 09040138 - Power Pack - 4.375" Stroke - Oil Cooled - Black Granite w/Highlights - M8FeaturesBolt-on kitWith updated finsNo case machining requiredForged pistonsMade in the USAIncludes oil...MSRP: $3,695.95$3,497.95 -
S&S Cycle - 09040136 - Power Pack - 4.375" Stroke - Oil Cooled - Black w/Highlights - M8
S&S Cycle
$3,294.95S&S CYCLE - 09040136 - Power Pack - 4.375" Stroke - Oil Cooled - Black w/Highlights - M8FeaturesBolt-on kitWith updated finsNo case machining requiredForged pistonsMade in the USAIncludes oil...$3,294.95 -
S&S Cycle - 09040135 - Power Pack - 4.375" Stroke - Oil Cooled - Black Granite w/Highlights - M8
S&S Cycle
$3,294.95S&S CYCLE - 09040135 - Power Pack - 4.375" Stroke - Oil Cooled - Black Granite w/Highlights - M8FeaturesBolt-on kitWith updated finsNo case machining requiredForged pistonsMade in the USAIncludes oil...$3,294.95 -
V-Twin - 11-1513 - 88 inch Evolution Big Bore Cylinder Kit Silver
Motorshop
$646.45V-Twin - 11-1513 - 88 inch Evolution Big Bore Cylinder Kit SilverDescriptionIncrease your stock Evolution engine with our 88" cylinder kit.Our kit includes two 3-5/8" silver cylinders which have been...$646.45 -
V-Twin - 11-1421 - 1800cc 4 inch Big Bore Cylinder
Motorshop
$495.96V-Twin - 11-1421 - 1800cc 4 inch Big Bore CylinderDescriptionTwin Cam 96 or 103 Big Bore cylinder is black with aluminum high-lighted fin edges. Used to increase 96 or 103cc to 1800cc.The finished...$495.96 -
V-Twin - 11-1253 - 83 inch Evolution Big Bore Cylinder Kit
Motorshop
$821.07V-Twin - 11-1253 - 83 inch Evolution Big Bore Cylinder KitDescriptionEvolution 83" Big Bore bolt on black cylinder kit includes 10:1 compression Wiseco forged piston kit, which has been honed for...$821.07 -
V-Twin - 11-0533 - 88 inch Evolution Big Bore Cylinder Black
Motorshop
$345.44V-Twin - 11-0533 - 88 inch Evolution Big Bore Cylinder BlackDescriptionIncrease your stock 80" Evolution engine with our big bore cylinder to 88" cubic inches.This is 3-5/8" black cylinder will have...$345.44 -
V-Twin - 11-0532 - 88 inch Evolution Big Bore Cylinder Silver
Motorshop
$270.68V-Twin - 11-0532 - 88 inch Evolution Big Bore Cylinder SilverDescriptionIncrease your stock 80" Evolution engine with our big bore cylinder to 88" cubic inches.This 3-5/8" silver cylinder will have...$270.68 -
V-Twin - 11-0094 - 88 inch Evolution Big Bore Cylinder Kit Silver
Motorshop
$772.07V-Twin - 11-0094 - 88 inch Evolution Big Bore Cylinder Kit SilverDescriptionIncrease your stock Evolution engine with our 88" cylinder kit.Our kit includes two 3-5/8" silver cylinders which have been...$772.07 -
V-Twin - 10-1139 - Panhead Cylinder Heads 3-5/8 inch Big Bore
Motorshop
$1,458.31V-Twin - 10-1139 - Panhead Cylinder Heads 3-5/8 inch Big BoreDescriptionV-Twin Motor Shop Ready single plug type Panheads are assembled and are ready to install.Heads are assembled with cast iron...$1,458.31 -
V-Twin - 10-1086 - Panhead Cylinder Heads 3-5/8 inch Big Bore - Fits 1963-1965 Harley-Davidson FL
V-Twin Mfg
$2,301.43V-Twin Motor Shop Ready single plug type Panheads are for use with Big Bore shovel head cylinders only. Comes assembled and are ready to install.Heads are assembled with cast iron guides, valve stem...$2,301.43 -
V-Twin - 8714-20 - Big Bore 12 Pt Head Bolt Kit Chrome
Colony Machine
MSRP: $69.68$62.71V-Twin - 8714-20 - Big Bore 12 Pt Head Bolt Kit Chrome Description Big Bore 12 pt headbolt kit in Chrome. Fits: FX 1971-1984 FL 1948-1984 Additional InformationMSRP: $69.68$62.71 -
S&S Cycle - 920-0100 - Big Bore Forged Piston Kit - 3.937" Bore - 107" Twin Cam - Standard
S&S Cycle
$514.95S&S Cycle - 920-0100 - Big Bore Forged Piston Kit - 3.937" Bore - 107" Twin Cam - StandardFeaturesPistons are compatible with stock rods with tapered wristpin endsStock cylinders may be bored to...$514.95 -
S&S Cycle - 920-0101 - Big Bore Forged Piston Kit - 3.937" Bore - 98" Twin Cam - Standard
S&S Cycle
MSRP: $524.95$514.95S&S Cycle - 920-0101 - Big Bore Forged Piston Kit - 3.937" Bore - 98" Twin Cam - StandardFeaturesPistons are compatible with stock rods with tapered wristpin endsStock cylinders may be bored to...MSRP: $524.95$514.95 -
S&S Cycle - 310-1226 - 129" Power Package Engine Performance Kit - Chain Drive - Oil Cooled - Non-Highlighted Fins - M8
S&S Cycle
$3,359.95S&S Cycle - 310-1226 - 129" Power Package Engine Performance Kit - Chain Drive - Oil Cooled - Non-Highlighted Fins - M8FeaturesTransform 107" oil-cooled M8 into 129" with no case machining...$3,359.95 -
S&S Cycle - 900-0354 - 106" Hot Set Up® Kit - 3.967" Bore - Wrinkle Black - Twin Cam
S&S Cycle
$2,143.95S&S Cycle - 900-0354 - 106" Hot Set Up® Kit - 3.967" Bore - Wrinkle Black - Twin CamFeaturesIncreased fin area for better heat dissipationIncrease bore size from 3.750" to 3.927"4.375" stroke, 10.0:1...$2,143.95 -
S&S Cycle - 91-7661 - 96" Sidewinder® - 3.625" Big Bore - Stroker Kit - Wrinkle Black - Evolution Big Twin
S&S Cycle
$2,879.95S&S Cycle - 91-7661 - 96" Sidewinder® - 3.625" Big Bore - Stroker Kit - Wrinkle Black - Evolution Big TwinFeaturesKit includes standard flywheel assembly, 3.625" Sidewinder® stroker big bore...$2,879.95 -
Burly Brand - Black Brawler Kit fits M8 Softail Models
Burly Brand
$252.95 - $351.95Burly Brand - Black Brawler Kit fits M8 Softail Models Features: Designed to grind down during impacts to prevent bike from catching and flipping Functions as a highway bar for a secure grip and...$252.95 - $351.95 -
S&S Cycle - Silver 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 - Silver 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...$1,287.95 -
S&S Cycle - 3⅝" Big Bore Cylinder & Big Bore Piston Kit fits '66-'84 Shovelhead Engines
S&S Cycle
MSRP: $1,999.95$1,995.95S&S Cycle - 3⅝" Big Bore Cylinder & Big Bore Piston Kit fits '66-'84 Shovelhead Engines This kit can be used to construct an 88" engine, or to replace the cylinders and piston in an engine with an...MSRP: $1,999.95$1,995.95 -
S&S Cycle - Wrinkle Black 100" Bolt-In Sidewinder® 4" Big Bore Kit fits '99-'06 Twin Cam Engines
S&S Cycle
MSRP: $1,550.95$1,540.95S&S Cycle - Wrinkle Black 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...MSRP: $1,550.95$1,540.95 -
S&S Cycle - Silver 110" Bolt-In Sidewinder® 4" Big Bore Kit fits '07-'17 Twin Cam Engines
S&S Cycle
$1,540.95S&S Cycle - Silver 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...$1,540.95 -
S&S Cycle - Silver XL883 to 1200 Conversion Kit fits '86-'20 XL 883 Models
S&S Cycle
$1,128.95S&S Cycle - Silver 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...$1,128.95 -
S&S Cycle - 100" Power Packages fits '99-'06 Twin Cam Engines (Exc. '06 Dynas)
S&S Cycle
$3,396.95S&S Cycle - 100" Power Packages fits '99-'06 Twin Cam Engines (Exc. '06 Dynas) S&S Cycle has created the largest big-bore kits available today, without doing crankcase mods! This kit increases...$3,396.95
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.