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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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456 products

Top End Rebuild Kit (A) Suzuki RM-Z450 '18-'19

Top End Rebuild Kit (A) Suzuki RM-Z450 '18-'19

Regular price $339.46 NZD

Regular price Sale price $339.46 NZD
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Top End Rebuild Kit (B) Yamaha YZ250 '99-'00

Top End Rebuild Kit (B) Yamaha YZ250 '99-'00

Regular price $238.59 NZD

Regular price Sale price $238.59 NZD
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Top End Rebuild Kit (A) Honda CRF450R '02-'03

Top End Rebuild Kit (A) Honda CRF450R '02-'03

Regular price $322.92 NZD

Regular price Sale price $322.92 NZD
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Top End Rebuild Kit (B PRO) Honda CRF150R '07-'09

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Top End Rebuild Kit (B PRO) Honda CRF150R '07-'09

Regular price $286.57 NZD

Regular price Sale price $286.57 NZD
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Top End Rebuild Kit (A) Suzuki RM-Z250 '07-'09

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Top End Rebuild Kit (A) Suzuki RM-Z250 '07-'09

Regular price $284.34 NZD

Regular price Sale price $284.34 NZD
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Top End Rebuild Kit (B) Yamaha YZ250F '05-'07

Top End Rebuild Kit (B) Yamaha YZ250F '05-'07

Regular price $311.24 NZD

Regular price Sale price $311.24 NZD
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Top End Rebuild Kit (A) Honda CR125 '90-'91

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

Regular price $221.18 NZD

Regular price Sale price $221.18 NZD
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Top End Rebuild Kit (A) KTM 450 SX-F '07-'12

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Top End Rebuild Kit (A) KTM 450 SX-F '07-'12

Regular price $314.00 NZD

Regular price Sale price $314.00 NZD
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Vertex Top End Rebuild Kit (B)

Vertex Top End Rebuild Kit (B)

Regular price $489.99 NZD

Regular price Sale price $489.99 NZD
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Top End Rebuild Kit (B) KTM 250 SX '03-'04 - Single Ring

Top End Rebuild Kit (B) KTM 250 SX '03-'04 - Single Ring

Regular price $236.62 NZD

Regular price Sale price $236.62 NZD
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Top End Rebuild Kit (C) Honda CR125 '90-'91

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

Regular price $221.18 NZD

Regular price Sale price $221.18 NZD
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Top End Rebuild Kit (A PRO) Honda CRF450R '07-'08

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Top End Rebuild Kit (A PRO) Honda CRF450R '07-'08

Regular price $310.16 NZD

Regular price Sale price $310.16 NZD
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Vertex Top End Rebuild Kit (B)

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Vertex Top End Rebuild Kit (B)

Regular price $239.99 NZD

Regular price Sale price $239.99 NZD
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Top End Rebuild Kit (A) Kawasaki KX60 '85-'03

Top End Rebuild Kit (A) Kawasaki KX60 '85-'03

Regular price $165.56 NZD

Regular price Sale price $165.56 NZD
Unit price per
Top End Rebuild Kit (B) KTM 250 EXC 2017 - Single Ring

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Top End Rebuild Kit (B) KTM 250 EXC 2017 - Single Ring

Regular price $278.88 NZD

Regular price Sale price $278.88 NZD
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Top End Rebuild Kit (B PRO) Honda CRF250R '14-'15

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Top End Rebuild Kit (B PRO) Honda CRF250R '14-'15

Regular price $297.10 NZD

Regular price Sale price $297.10 NZD
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Top End Rebuild Kit (A) Yamaha YZ400F '98-'99

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Top End Rebuild Kit (A) Yamaha YZ400F '98-'99

Regular price $313.96 NZD

Regular price Sale price $313.96 NZD
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Top End Rebuild Kit (B) Yamaha YZ250 '02-'19

Top End Rebuild Kit (B) Yamaha YZ250 '02-'19

Regular price $252.09 NZD

Regular price Sale price $252.09 NZD
Unit price per
Vertex Top End Rebuild Kit (B)

Vertex Top End Rebuild Kit (B)

Regular price $290.00 NZD

Regular price Sale price $290.00 NZD
Unit price per
Vertex Top End Rebuild Kit (B)

Vertex Top End Rebuild Kit (B)

Regular price $309.99 NZD

Regular price Sale price $309.99 NZD
Unit price per
Vertex Top End Rebuild Kit (C)

Vertex Top End Rebuild Kit (C)

Regular price $239.99 NZD

Regular price Sale price $239.99 NZD
Unit price per
Vertex Top End Rebuild Kit - Forged Piston (A)

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Vertex Top End Rebuild Kit - Forged Piston (A)

Regular price $429.99 NZD

Regular price Sale price $429.99 NZD
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Top End Rebuild Kit (B) Honda CRF450R '07-'08

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Top End Rebuild Kit (B) Honda CRF450R '07-'08

Regular price $335.98 NZD

Regular price Sale price $335.98 NZD
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Top End Rebuild Kit (A) Yamaha PW80 '83-'06

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Top End Rebuild Kit (A) Yamaha PW80 '83-'06

Regular price $169.38 NZD

Regular price Sale price $169.38 NZD
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Top End Rebuild Kit (B) Kawasaki KX250 2001

Top End Rebuild Kit (B) Kawasaki KX250 2001

Regular price $246.58 NZD

Regular price Sale price $246.58 NZD
Unit price per
Top End Rebuild Kit (A) KTM 250 EXC 2017 - Single Ring

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Top End Rebuild Kit (A) KTM 250 EXC 2017 - Single Ring

Regular price $278.88 NZD

Regular price Sale price $278.88 NZD
Unit price per

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Vertex Top End Rebuild Kit (B)

Vertex Top End Rebuild Kit (B)

Regular price $369.99 NZD

Regular price Sale price $369.99 NZD
Unit price per
Top End Rebuild Kit (A) KTM 250 SX 2017

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Top End Rebuild Kit (A) KTM 250 SX 2017

Regular price $278.88 NZD

Regular price Sale price $278.88 NZD
Unit price per

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Top End Rebuild Kit (A) KTM 144/150 SX '07-'15

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Top End Rebuild Kit (A) KTM 144/150 SX '07-'15

Regular price $260.12 NZD

Regular price Sale price $260.12 NZD
Unit price per

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Top End Rebuild Kit (B) KTM 350 EXC-F 2017

Top End Rebuild Kit (B) KTM 350 EXC-F 2017

Regular price $332.92 NZD

Regular price Sale price $332.92 NZD
Unit price per
Top End Rebuild Kit (A) KTM 250 SX '03-'04

Top End Rebuild Kit (A) KTM 250 SX '03-'04

Regular price $236.62 NZD

Regular price Sale price $236.62 NZD
Unit price per
Vertex Top End Rebuild Kit (C)

Vertex Top End Rebuild Kit (C)

Regular price $350.00 NZD

Regular price Sale price $350.00 NZD
Unit price per
Top End Rebuild Kit (0.50 OS) Honda TRX500 FA/FGA/FPA '01-'13

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Top End Rebuild Kit (0.50 OS) Honda TRX500 FA/FGA/FPA '01-'13

Regular price $350.99 NZD

Regular price Sale price $350.99 NZD
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Top End Rebuild Kit (A) Honda CRF250R '16-'17

Top End Rebuild Kit (A) Honda CRF250R '16-'17

Regular price $297.10 NZD

Regular price Sale price $297.10 NZD
Unit price per
Top End Rebuild Kit (B) KTM 300 EXC 2004

Top End Rebuild Kit (B) KTM 300 EXC 2004

Regular price $282.65 NZD

Regular price Sale price $282.65 NZD
Unit price per
Top End Rebuild Kit (B) Kawasaki KX125 '01-'02

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Top End Rebuild Kit (B) Kawasaki KX125 '01-'02

Regular price $221.18 NZD

Regular price Sale price $221.18 NZD
Unit price per

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