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Collection: Engine Rebuild Kits

Rebuild your engine with confidence using AJ's Mobile Powersport Mechanics Store. Explore high-quality engine rebuild kits designed for durability and peak performance.

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Vertex (182 products)
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Complete Engine Rebuild Kits (94 products)
Top End Engine Rebuild Kits (362 products)

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Top End Engine Rebuild Kits (362 products)

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456 products

Top End Rebuild Kit (A) Kawasaki KX250 '05-'08

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Top End Rebuild Kit (A) Kawasaki KX250 '05-'08

Regular price $234.91 NZD

Regular price Sale price $234.91 NZD
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Top End Rebuild Kit (A) KTM 350 EXC-F / Husqvarna FE350 '14-'16

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Top End Rebuild Kit (A) KTM 350 EXC-F / Husqvarna FE350 '14-'16

Regular price $393.65 NZD

Regular price Sale price $393.65 NZD
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Top End Rebuild Kit (A) KTM 450 EXC / Husqvarna FE450 '14-'15

Top End Rebuild Kit (A) KTM 450 EXC / Husqvarna FE450 '14-'15

Regular price $331.32 NZD

Regular price Sale price $331.32 NZD
Unit price per
Top End Rebuild Kit (A) KTM 350 SX-F / Husqvarna FC350 '13-'15

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Top End Rebuild Kit (A) KTM 350 SX-F / Husqvarna FC350 '13-'15

Regular price $376.42 NZD

Regular price Sale price $376.42 NZD
Unit price per

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Top End Rebuild Kit (B) KTM 450 EXC / Husqvarna FE450 '14-'15

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Top End Rebuild Kit (B) KTM 450 EXC / Husqvarna FE450 '14-'15

Regular price $331.32 NZD

Regular price Sale price $331.32 NZD
Unit price per

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Top End Rebuild Kit (B) KTM 350 SX-F / Husqvarna FC350 '13-'15

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Top End Rebuild Kit (B) KTM 350 SX-F / Husqvarna FC350 '13-'15

Regular price $376.42 NZD

Regular price Sale price $376.42 NZD
Unit price per

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Top End Rebuild Kit (B) KTM 65 SX '00-'08

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Top End Rebuild Kit (B) KTM 65 SX '00-'08

Regular price $174.08 NZD

Regular price Sale price $174.08 NZD
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Top End Rebuild Kit (B) Kawasaki KX250 '05-'08

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Top End Rebuild Kit (B) Kawasaki KX250 '05-'08

Regular price $234.91 NZD

Regular price Sale price $234.91 NZD
Unit price per

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Top End Rebuild Kit (B) Honda CR85 '05-'07

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Top End Rebuild Kit (B) Honda CR85 '05-'07

Regular price $175.72 NZD

Regular price Sale price $175.72 NZD
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Vertex Top End Rebuild Kit - Forged Piston (B)

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Vertex Top End Rebuild Kit - Forged Piston (B)

Regular price $449.99 NZD

Regular price Sale price $449.99 NZD
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Top End Rebuild Kit (A) Kawasaki KX250 '93-'00

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Top End Rebuild Kit (A) Kawasaki KX250 '93-'00

Regular price $238.70 NZD

Regular price Sale price $238.70 NZD
Unit price per

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Vertex Top End Rebuild Kit - Forged Piston (B)

Vertex Top End Rebuild Kit - Forged Piston (B)

Regular price $500.00 NZD

Regular price Sale price $500.00 NZD
Unit price per
Vertex Top End Rebuild Kit (B)

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Vertex Top End Rebuild Kit (B)

Regular price $470.00 NZD

Regular price Sale price $470.00 NZD
Unit price per

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Top End Rebuild Kit (A) KTM 250 EXC '00-'03

Top End Rebuild Kit (A) KTM 250 EXC '00-'03

Regular price $258.54 NZD

Regular price Sale price $258.54 NZD
Unit price per
Vertex Top End Rebuild Kit - Forged Piston (B)

Vertex Top End Rebuild Kit - Forged Piston (B)

Regular price $489.99 NZD

Regular price Sale price $489.99 NZD
Unit price per
Top End Rebuild Kit (A PRO) Honda CRF250R '08-'09

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Top End Rebuild Kit (A PRO) Honda CRF250R '08-'09

Regular price $286.06 NZD

Regular price Sale price $286.06 NZD
Unit price per

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Top End Rebuild Kit (A) Suzuki RM85 '02-'19

Top End Rebuild Kit (A) Suzuki RM85 '02-'19

Regular price $175.47 NZD

Regular price Sale price $175.47 NZD
Unit price per
Top End Rebuild Kit (A) Suzuki RM-Z450 '13-'17

Top End Rebuild Kit (A) Suzuki RM-Z450 '13-'17

Regular price $341.44 NZD

Regular price Sale price $341.44 NZD
Unit price per
Top End Rebuild Kit (A) Honda CR85 '05-'07

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Top End Rebuild Kit (A) Honda CR85 '05-'07

Regular price $175.72 NZD

Regular price Sale price $175.72 NZD
Unit price per

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Top End Rebuild Kit (A) Kawasaki KX65 '00-'15

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Top End Rebuild Kit (A) Kawasaki KX65 '00-'15

Regular price $176.20 NZD

Regular price Sale price $176.20 NZD
Unit price per

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Top End Rebuild Kit (A) Yamaha YZ450F '10-'13

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Top End Rebuild Kit (A) Yamaha YZ450F '10-'13

Regular price $352.75 NZD

Regular price Sale price $352.75 NZD
Unit price per

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Vertex Top End Rebuild Kit - Forged Piston (A)

Vertex Top End Rebuild Kit - Forged Piston (A)

Regular price $459.99 NZD

Regular price Sale price $459.99 NZD
Unit price per
Vertex Top End Rebuild Kit (B)

Vertex Top End Rebuild Kit (B)

Regular price $509.99 NZD

Regular price Sale price $509.99 NZD
Unit price per
Top End Rebuild Kit (B) Honda CR125 '90-'91

Top End Rebuild Kit (B) Honda CR125 '90-'91

Regular price $221.18 NZD

Regular price Sale price $221.18 NZD
Unit price per
Top End Rebuild Kit (B) Suzuki RM125 '00-'03

Top End Rebuild Kit (B) Suzuki RM125 '00-'03

Regular price $208.32 NZD

Regular price Sale price $208.32 NZD
Unit price per
Top End Rebuild Kit (A) Honda CR125 2003

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Top End Rebuild Kit (A) Honda CR125 2003

Regular price $201.73 NZD

Regular price Sale price $201.73 NZD
Unit price per

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Top End Rebuild Kit (A) Honda CRF450R '05-'06

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Top End Rebuild Kit (A) Honda CRF450R '05-'06

Regular price $331.53 NZD

Regular price Sale price $331.53 NZD
Unit price per

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Top End Rebuild Kit (A) Honda CRF450R '09-'12

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Top End Rebuild Kit (A) Honda CRF450R '09-'12

Regular price $343.81 NZD

Regular price Sale price $343.81 NZD
Unit price per

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Top End Rebuild Kit (A Pro) Yamaha WR250F '05-'13

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Top End Rebuild Kit (A Pro) Yamaha WR250F '05-'13

Regular price $311.24 NZD

Regular price Sale price $311.24 NZD
Unit price per

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Top End Rebuild Kit (A PRO) Honda CRF250R '10-'13

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Top End Rebuild Kit (A PRO) Honda CRF250R '10-'13

Regular price $297.10 NZD

Regular price Sale price $297.10 NZD
Unit price per

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Top End Rebuild Kit (A) Kawasaki KDX220 '97-'05 (Bearing not included)

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Top End Rebuild Kit (A) Kawasaki KDX220 '97-'05 (Bearing not included)

Regular price $221.03 NZD

Regular price Sale price $221.03 NZD
Unit price per

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Top End Rebuild Kit (A) KTM 50 SX '09-'18 (Bearing Not Included)

Top End Rebuild Kit (A) KTM 50 SX '09-'18 (Bearing Not Included)

Regular price $146.65 NZD

Regular price Sale price $146.65 NZD
Unit price per
Vertex Top End Rebuild Kit - Forged Piston (B)

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Vertex Top End Rebuild Kit - Forged Piston (B)

Regular price $429.99 NZD

Regular price Sale price $429.99 NZD
Unit price per

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Top End Rebuild Kit (1.00 OS) Kawasaki KDX200 '89-'94

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Top End Rebuild Kit (1.00 OS) Kawasaki KDX200 '89-'94

Regular price $255.66 NZD

Regular price Sale price $255.66 NZD
Unit price per

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Vertex Top End Rebuild Kit (B)

Vertex Top End Rebuild Kit (B)

Regular price $320.00 NZD

Regular price Sale price $320.00 NZD
Unit price per
Top End Rebuild Kit (B) Suzuki RM250 '01-'02

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Top End Rebuild Kit (B) Suzuki RM250 '01-'02

Regular price $244.82 NZD

Regular price Sale price $244.82 NZD
Unit price per

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