Boring Head

A boring head is a cutting tool accessory used in machining operations to create precise, cylindrical holes in a workpiece. It attaches to a milling machine or drill press, allowing for accurate diameter control and smooth finishes. This versatile tool is essential for industries such as automotive, aerospace, and manufacturing. Explore our selection of high-quality boring heads to enhance your machining capabilities and improve efficiency in your workshop.
50 Caliber Racing Big Bore 88cc Race Head Kit Vintage Z50 Mini Trail 1968-1978
50 Caliber Racing Big Bore 88cc Race Head Kit Vintage Z50 Mini Trail 1968-1978 on E-Bay starting at $409.99

Free Worldwide Shipping

Expedited: No

Next Day: No

Desertscooters

Rating: 96.5%

HONDA CRF50 XR50 88cc BIG BORE HEAD GASKET KIT CRF XR 50  TBW0206
HONDA CRF50 XR50 88cc BIG BORE HEAD GASKET KIT CRF XR 50 TBW0206 on E-Bay starting at $19.95

Free Worldwide Shipping

Expedited: No

Next Day: No

hondaproducts

Rating: 98.4%

CAT40 BORING HEAD ARBOR ADAPTOR 1-1/2"-18 THREAD #CAT40-BH1128--new
CAT40 BORING HEAD ARBOR ADAPTOR 1-1/2"-18 THREAD #CAT40-BH1128--new on E-Bay starting at $52.00

Free Worldwide Shipping

Expedited: No

Next Day: No

CME Tools

Rating: 99.9%

150cc (57mm BORE) EGR STYLE CYLINDER HEAD *WITH VALVES INSTALLED* FOR GY6 MOTORS
150cc (57mm BORE) EGR STYLE CYLINDER HEAD *WITH VALVES INSTALLED* FOR GY6 MOTORS on E-Bay starting at $8,999.95

Free Flat Rate Shipping

Expedited: Yes

Next Day: No

GY6 STORE

Rating: 98.6%

Honda TRX90 TRX 90 114cc Big Bore Kit V2 Race Head 26mm Mikuni TB Parts TBW9117
Honda TRX90 TRX 90 114cc Big Bore Kit V2 Race Head 26mm Mikuni TB Parts TBW9117 on E-Bay starting at $774.99

Free Worldwide Shipping

Expedited: No

Next Day: No

hondaproducts

Rating: 98.4%

Stock Dual Port Cylinder Head 14mm Plug 85.5 Bore 35.5x32 Valves VW Bug Bus Ghia
Stock Dual Port Cylinder Head 14mm Plug 85.5 Bore 35.5x32 Valves VW Bug Bus Ghia on E-Bay starting at $254.13

Free Worldwide Shipping

Expedited: No

Next Day: No

V-DUBSTORE

Rating: 99.8%

Trickflow CNC Ported 175 Bare Cylinder Head for Ford 360-390-428 FE
Trickflow CNC Ported 175 Bare Cylinder Head for Ford 360-390-428 FE on E-Bay starting at $1,299.00

Free Worldwide Shipping

Expedited: Yes

Next Day: No

TREperformance

Rating: 97.3%

SHARS Shank Adapter For 1-1/2"-18 Boring Head 2MT Morse Taper Tang Type MT2  P}
SHARS Shank Adapter For 1-1/2"-18 Boring Head 2MT Morse Taper Tang Type MT2 P} on E-Bay starting at $28.50

Free Flat Rate Domestic Shipping

Calculated International Shipping

Expedited: No

Next Day: No

Discount Machine Shop

Rating: 99.8%

3" Boring head  R8 Shank + 8pcs Indexable 3/4" Boring Bar Set TCMT R]
3" Boring head R8 Shank + 8pcs Indexable 3/4" Boring Bar Set TCMT R] on E-Bay starting at $241.95

$0.0 FreePickup Worldwide shipping

Expedited: No

Next Day: No

Discount Machine Shop

Rating: 99.8%

Z LIVE CENTER 3" BORING HEAD SET 12 PCs 3/4'' CARBIDE BORING BAR W R8 SHANK MILL
Z LIVE CENTER 3" BORING HEAD SET 12 PCs 3/4'' CARBIDE BORING BAR W R8 SHANK MILL on E-Bay starting at $168.95

Free Flat Rate Shipping

Expedited: No

Next Day: No

Z LIVE CENTER

Rating: 100.0%

GY6 K-BLOCK *61mm BORE* (QMK) CYLINDER HEAD 57mm STUD SPACING *172cc / 200cc*
GY6 K-BLOCK *61mm BORE* (QMK) CYLINDER HEAD 57mm STUD SPACING *172cc / 200cc* on E-Bay starting at $52.96

Free Flat Rate Shipping

Expedited: No

Next Day: No

GY6 STORE

Rating: 98.6%

Banshee Athena 370cc Big Bore Cylinders Pro X Pistons Cool Head Turbo Dome NGK
Banshee Athena 370cc Big Bore Cylinders Pro X Pistons Cool Head Turbo Dome NGK on E-Bay starting at $799.98

Free Flat Rate Domestic Shipping

Calculated International Shipping

Expedited: No

Next Day: No

AZ Quad Parts

Rating: 99.9%

7-Layer 5.3L 4.8L Small Bore MLS Head Gasket Pair for Turbo Nitrous Blown 5.3 LS
7-Layer 5.3L 4.8L Small Bore MLS Head Gasket Pair for Turbo Nitrous Blown 5.3 LS on E-Bay starting at $124.99

Free Worldwide Shipping

Expedited: No

Next Day: No

Michigan Motorsports LS/LT Parts

Rating: 99.6%

Cometic Head Gasket .030" Thick 87mm Bore For 1997-2001 Honda Prelude H22 H22A
Cometic Head Gasket .030" Thick 87mm Bore For 1997-2001 Honda Prelude H22 H22A on E-Bay starting at $124.95

Free Worldwide Shipping

Expedited: No

Next Day: No

ipgparts

Rating: 99.8%

Shars Precision 2" Boring Head 0.001 Radius 1-1/2"-18 Thread New P]
Shars Precision 2" Boring Head 0.001 Radius 1-1/2"-18 Thread New P] on E-Bay starting at $69.95

Free Flat Rate Domestic Shipping

Calculated International Shipping

Expedited: No

Next Day: No

Discount Machine Shop

Rating: 99.8%

SHARS 30 NMTB 1/2-13 Draw Bar for Boring Heads 1-1/2"-18 NEW P}
SHARS 30 NMTB 1/2-13 Draw Bar for Boring Heads 1-1/2"-18 NEW P} on E-Bay starting at $28.95

Free Flat Rate Domestic Shipping

Calculated International Shipping

Expedited: No

Next Day: No

Discount Machine Shop

Rating: 99.8%

90CC 2 Stroke Big Bore Head Rebuild Kit For Scooters Jog Minarelli Clone Motors
90CC 2 Stroke Big Bore Head Rebuild Kit For Scooters Jog Minarelli Clone Motors on E-Bay starting at $52.19

Free Worldwide Shipping

Expedited: No

Next Day: No

MAXPOWER-CNC

Rating: 99.5%

88cc Vintage Big Bore Kit with Race Head for Honda CT70 ATC70 SL70 XL70 TRX70
88cc Vintage Big Bore Kit with Race Head for Honda CT70 ATC70 SL70 XL70 TRX70 on E-Bay starting at $409.99

Free Worldwide Shipping

Expedited: No

Next Day: No

Smith Bros UTV

Rating: 97.7%

172cc CYLINDER HEAD W/ VALVES (61mm BORE) GY6 MOTORS *54mm STUD SPACING*
172cc CYLINDER HEAD W/ VALVES (61mm BORE) GY6 MOTORS *54mm STUD SPACING* on E-Bay starting at $22.48

Free Flat Rate Shipping

Expedited: No

Next Day: No

GY6 STORE

Rating: 98.6%

TAIDA GY6 4V CYLINDER HEAD 58.5mm - 63mm BORE (57mm SPACING) *POLARIS*
TAIDA GY6 4V CYLINDER HEAD 58.5mm - 63mm BORE (57mm SPACING) *POLARIS* on E-Bay starting at $541.45

Free Flat Rate Shipping

Expedited: No

Next Day: No

GY6 STORE

Rating: 98.6%

WISECO 87.5MM 12.9 12.9:1 CR ALL MOTOR NA PISTONS HONDA ACURA K24 WITH K20 HEAD
WISECO 87.5MM 12.9 12.9:1 CR ALL MOTOR NA PISTONS HONDA ACURA K24 WITH K20 HEAD on E-Bay starting at $683.99

Free Worldwide Shipping

Expedited: No

Next Day: No

promotive-auto-parts

Rating: 99.5%

Threaded Boring Head 3/4 Inch Straight Shank 1-1/2 Inch - 18 Thread
Threaded Boring Head 3/4 Inch Straight Shank 1-1/2 Inch - 18 Thread on E-Bay starting at $28.77

Free Worldwide Shipping

Expedited: No

Next Day: No

M&H Global

Rating: 99.7%

BTR 5.3L LS 7-Layer Small Bore Head Gasket Pair MLS Steel 3.950 Bore LM7 L33 LC9
BTR 5.3L LS 7-Layer Small Bore Head Gasket Pair MLS Steel 3.950 Bore LM7 L33 LC9 on E-Bay starting at $129.99

Free Worldwide Shipping

Expedited: No

Next Day: No

Michigan Motorsports LS/LT Parts

Rating: 99.6%

Shars 2" Boring Head + 3/4 Straight Shank + 9Pcs 1/2“ C6 Boring Bar Set NEW #]
Shars 2" Boring Head + 3/4 Straight Shank + 9Pcs 1/2“ C6 Boring Bar Set NEW #] on E-Bay starting at $99.95

Free Flat Rate Domestic Shipping

Calculated International Shipping

Expedited: No

Next Day: No

Discount Machine Shop

Rating: 99.8%

AFR 260cc LS3 Aluminum Cylinder Heads 69cc Chambers 6 Bolt No Parts Mongoose
AFR 260cc LS3 Aluminum Cylinder Heads 69cc Chambers 6 Bolt No Parts Mongoose on E-Bay starting at $2,939.78

Free Worldwide Shipping

Expedited: Yes

Next Day: No

TREperformance

Rating: 97.3%

Big Bore 150cc Kit 16-22 125 SX & 20-22 150 SX OEM Top End Cylinder Head #M276 C
Big Bore 150cc Kit 16-22 125 SX & 20-22 150 SX OEM Top End Cylinder Head #M276 C on E-Bay starting at $1,049.99

Free Worldwide Shipping

Expedited: Yes

Next Day: No

Everett Powersports PARTS IN STOCK

Rating: 99.9%

1.5'' PRECISION ADJUSTABLE BORING HEAD WITH MT2 Shank
1.5'' PRECISION ADJUSTABLE BORING HEAD WITH MT2 Shank on E-Bay starting at $67.44

Free Worldwide Shipping

Expedited: No

Next Day: No

bluefox_tools

Rating: 99.0%

125cc (54mm BORE) HORIZONTAL HONDA STYLE CYLINDER & HEAD KIT TAO COOLSTER ECT
125cc (54mm BORE) HORIZONTAL HONDA STYLE CYLINDER & HEAD KIT TAO COOLSTER ECT on E-Bay starting at $111.55

Free Flat Rate Shipping

Expedited: No

Next Day: No

GY6 STORE

Rating: 98.6%

88cc Big Bore Race Head Kit - Honda Z50, XR50/CRF50 XR70/CRF70 CT70 TB TBW0936
88cc Big Bore Race Head Kit - Honda Z50, XR50/CRF50 XR70/CRF70 CT70 TB TBW0936 on E-Bay starting at $435.95

Free Worldwide Shipping

Expedited: No

Next Day: No

Keystone Cycle Parts LLC

Rating: 98.5%

Cometic Head Gasket For Honda & Acura K20 K24 87mm Bore.030" Thickness C4311-030
Cometic Head Gasket For Honda & Acura K20 K24 87mm Bore.030" Thickness C4311-030 on E-Bay starting at $91.92

Free Worldwide Shipping

Expedited: No

Next Day: No

CPTRADEUSA

Rating: 98.6%

Cometic MLS Head Gasket .030" Thick - 87mm Bore For Honda Acura K20 K24 Engines
Cometic MLS Head Gasket .030" Thick - 87mm Bore For Honda Acura K20 K24 Engines on E-Bay starting at $119.95

Free Worldwide Shipping

Expedited: No

Next Day: No

ipgparts

Rating: 99.8%

TAIDA RACING B BLOCK CYLINDER HEAD 67mm BORE (30.5/26.5 VALVES) (57mm spacing)
TAIDA RACING B BLOCK CYLINDER HEAD 67mm BORE (30.5/26.5 VALVES) (57mm spacing) on E-Bay starting at $193.75

Free Flat Rate Shipping

Expedited: No

Next Day: No

GY6 STORE

Rating: 98.6%

 HONDA CRF100 120cc BIG BORE ENGINE KIT PISTON CYLINDER CRF 100 HEAD
HONDA CRF100 120cc BIG BORE ENGINE KIT PISTON CYLINDER CRF 100 HEAD on E-Bay starting at $179.99

Free Flat Rate Shipping

Expedited: No

Next Day: No

hondaproducts

Rating: 98.4%

Cold Steel 40 PACK, Razor Tip Broad Head Darts for Big Bore .625 Blowgun
Cold Steel 40 PACK, Razor Tip Broad Head Darts for Big Bore .625 Blowgun on E-Bay starting at $33.00

Free Worldwide Shipping

Expedited: Yes

Next Day: No

bwk.ace

Rating: 100.0%

MOTORIZED PUSH BIKE 80CC 2 STROKE ENGINE KIT HEAD CYLINDER BARREL BORE Inlet
MOTORIZED PUSH BIKE 80CC 2 STROKE ENGINE KIT HEAD CYLINDER BARREL BORE Inlet on E-Bay starting at $16.78

Free Flat Rate Shipping

Expedited: Yes

Next Day: No

Ozimex Mart

Rating: 99.2%

TB Big Bore Kit 60mm 143cc Cylinder Piston Head KLX110 DRZ110 KLX DRZ 110 02-09
TB Big Bore Kit 60mm 143cc Cylinder Piston Head KLX110 DRZ110 KLX DRZ 110 02-09 on E-Bay starting at $679.99

Shipping Calculated by Location

Expedited: No

Next Day: No

XCBOBS PARTS AND ACCESSORIES INC

Rating: 98.9%

Rebuild Head Bore Barrel Cylinder Piston Ring Kit Set YAMAHA PEEWEE50 PW50 PY50
Rebuild Head Bore Barrel Cylinder Piston Ring Kit Set YAMAHA PEEWEE50 PW50 PY50 on E-Bay starting at $52.62

Free Flat Rate Shipping

Expedited: Yes

Next Day: No

BLYGO

Rating: 98.8%

YFZ450 YFZ 450 Hot Cams Stage 3 Three Big Bore Kibblewhite Springs Head Rebuild
YFZ450 YFZ 450 Hot Cams Stage 3 Three Big Bore Kibblewhite Springs Head Rebuild on E-Bay starting at $799.99

Free Worldwide Shipping

Expedited: No

Next Day: No

BPRATV

Rating: 99.3%

HKS Metal Head Gasket 1.2mm Thick 86mm Bore Bead Type for Supra 86-92 A70 7M-GTE
HKS Metal Head Gasket 1.2mm Thick 86mm Bore Bead Type for Supra 86-92 A70 7M-GTE on E-Bay starting at $120.00

Shipping Calculated by Location

Expedited: No

Next Day: No

Real Street Performance Sales

Rating: 99.8%

67mm Head Base Bore Gasket Seal Kit 200cc CG250cc Lifan Zongshen Ducar Loncin
67mm Head Base Bore Gasket Seal Kit 200cc CG250cc Lifan Zongshen Ducar Loncin on E-Bay starting at $9.32

Free Flat Rate Shipping

Expedited: Yes

Next Day: No

easyshopau2013

Rating: 97.9%

4" Boring head R8 Shank + 6pcs Carbide Tipped Boring Bar Set R]
4" Boring head R8 Shank + 6pcs Carbide Tipped Boring Bar Set R] on E-Bay starting at $169.95

$0.0 FreePickup Worldwide shipping

Expedited: No

Next Day: No

Discount Machine Shop

Rating: 99.8%

fits YAMAHA PW50 60CC BIG BORE KIT CYLINDER PISTON GASKET HEAD TOP END 1981-2023
fits YAMAHA PW50 60CC BIG BORE KIT CYLINDER PISTON GASKET HEAD TOP END 1981-2023 on E-Bay starting at $869.90

Free Worldwide Shipping

Expedited: No

Next Day: No

zoomzoomparts

Rating: 99.5%

Tomei HEAD GASKET for Supra 2JZ-GTE 87.5mm Bore 2.0mm Thick TA4070-TY03C
Tomei HEAD GASKET for Supra 2JZ-GTE 87.5mm Bore 2.0mm Thick TA4070-TY03C on E-Bay starting at $180.00

Free Worldwide Shipping

Expedited: No

Next Day: No

Real Street Performance Sales

Rating: 99.8%

Big Bore Kit 88cc Cylinder Head Piston Carb Z50 Z 50 50 A R CT SL XL TRX ATC 70
Big Bore Kit 88cc Cylinder Head Piston Carb Z50 Z 50 50 A R CT SL XL TRX ATC 70 on E-Bay starting at $399.99

Shipping Calculated by Location

Expedited: No

Next Day: No

XCBOBS PARTS AND ACCESSORIES INC

Rating: 98.9%

Cylinder and Head 61mm Drop In Bore Kit GY6 150cc Scooters Mopeds Performance
Cylinder and Head 61mm Drop In Bore Kit GY6 150cc Scooters Mopeds Performance on E-Bay starting at $298.51

$0.0 CalculatedDomesticFlatInternational Worldwide shipping

Expedited: No

Next Day: No

Port Orange Surplus

Rating: 96.0%

Yamaha Banshee 68mm AZ Big Bore Pro Cool Head 21cc Domes O-rings Kit Cub Athena
Yamaha Banshee 68mm AZ Big Bore Pro Cool Head 21cc Domes O-rings Kit Cub Athena on E-Bay starting at $79.99

Free Flat Rate Domestic Shipping

Calculated International Shipping

Expedited: No

Next Day: No

AZ Quad Parts

Rating: 99.9%

YFZ450 YFZ 450 Hotcams Hot Cams Stage 3 Timing Chain 98mm Big Bore Head Gasket
YFZ450 YFZ 450 Hotcams Hot Cams Stage 3 Timing Chain 98mm Big Bore Head Gasket on E-Bay starting at $489.98

Free Flat Rate Domestic Shipping

Calculated International Shipping

Expedited: No

Next Day: No

AZ Quad Parts

Rating: 99.9%

Honda Z50 XR50 CRF50 XR70 CRF70 88cc Big Bore Race Head Engine Kit  TB Parts BBR
Honda Z50 XR50 CRF50 XR70 CRF70 88cc Big Bore Race Head Engine Kit TB Parts BBR on E-Bay starting at $435.95

Free Worldwide Shipping

Expedited: No

Next Day: No

Keystone Cycle Parts LLC

Rating: 98.5%

1969 1970 Boss 429 Engine C9AE-E  Std Bore 9J30 Date w/Boss C9AE-A Alum heads
1969 1970 Boss 429 Engine C9AE-E Std Bore 9J30 Date w/Boss C9AE-A Alum heads on E-Bay starting at $21,500.00

Free Flat Rate Shipping

Expedited: No

Next Day: No

Labwork 2" Boring Head R8 Shank 9Pcs 1/2" Carbide Boring Bar Set For Milling
Labwork 2" Boring Head R8 Shank 9Pcs 1/2" Carbide Boring Bar Set For Milling on E-Bay starting at $49.15

Free Worldwide Shipping

Expedited: No

Next Day: No

tyllq

Rating: 98.7%


Affiliate Disclosure: As an Amazon Associate, I earn from qualifying purchases.