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Powersports Top End Engine Kits

Individual Parts

Results 401 - 425 of 475

Racing Spring Kit, Titanium, 0.450" Lift, Kawasaki®, KX 250's, 2020-2023

Part Number: KPM-40-41600

Not Yet Reviewed

Estimated Ship Date: Dec 11, 2026 if ordered today

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Estimated Ship Date: Dec 11, 2026 if ordered today

BIG BORE KIT CRF110

Part Number: BRM-411-HCF-1151

Not Yet Reviewed

Estimated Ship Date: Nov 16, 2026 if ordered today

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Estimated Ship Date: Nov 16, 2026 if ordered today

Racing Spring Kit, Titanium, 0.450" Lift, Polaris®, Various 4 cyl., 2020-2023

Part Number: KPM-82-86050

Not Yet Reviewed

Estimated Ship Date: Dec 11, 2026 if ordered today

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Estimated Ship Date: Dec 11, 2026 if ordered today

BORE KIT - 88CC

Part Number: BRM-411-HXR-7001

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2026 if ordered today

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Estimated Ship Date: Nov 17, 2026 if ordered today

Racing Spring Kit, HT Steel, 0.450" Lift, Polaris®, Various 4 cyl., 2020-2023

Part Number: KPM-82-86065

Not Yet Reviewed

Estimated Ship Date: Dec 14, 2026 if ordered today

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Estimated Ship Date: Dec 14, 2026 if ordered today

Cylinder Assembly

Part Number: RRA-7-05065

Not Yet Reviewed

Estimated Ship Date: Nov 30, 2026 if ordered today

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Estimated Ship Date: Nov 30, 2026 if ordered today

Top End Engine Kits CYL WORKS BIG BORE KIT POLARIS CYL WORKS BIG BORE KIT POLARIS 1000 RZR XP '14-15

Part Number: CLW-61003-K01

Not Yet Reviewed

Estimated Ship Date: Oct 29, 2026 if ordered today

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Estimated Ship Date: Oct 29, 2026 if ordered today

2017+ M8 Models 4.250in Bore 550C Cam w/ Black Pushrods Power Pack - Black w/ Highlight

Part Number: SSY-310-1054C

Not Yet Reviewed

Estimated Ship Date: Dec 7, 2026 if ordered today

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Estimated Ship Date: Dec 7, 2026 if ordered today

2017+ M8 132in Power Pack w/ Chrm Pushrod Tubes & Cam Chain Tensioners - Blk w/o Highlight

Part Number: SSY-310-1233C

Not Yet Reviewed

Estimated Ship Date: Dec 7, 2026 if ordered today

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Estimated Ship Date: Dec 7, 2026 if ordered today

2017+ M8 128in CI Oil Cooled Power Pack w/ Chrome Pushrod Tubes w/ Highlight Black Granite

Part Number: SSY-310-1110C

Not Yet Reviewed

Estimated Ship Date: Dec 7, 2026 if ordered today

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Estimated Ship Date: Dec 7, 2026 if ordered today

2017+ M8 129in Power Pack w/ Blk Pushrod Tubes & Cam Chain Tensioners - Blk w/o Highlight

Part Number: SSY-310-1226C

Not Yet Reviewed

Estimated Ship Date: Dec 7, 2026 if ordered today

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Estimated Ship Date: Dec 7, 2026 if ordered today

2017+ M8 Models 128in Power Pack w/ Chrome Pushrod Tubes - Granite Blk w/ Highlight

Part Number: SSY-310-1109C

Not Yet Reviewed

Estimated Ship Date: Dec 7, 2026 if ordered today

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Estimated Ship Date: Dec 7, 2026 if ordered today

2017+ M8 Models 4.320in Bore 550C Cam Power Pack - Black w/ Highlight

Part Number: SSY-310-1229C

Not Yet Reviewed

Estimated Ship Date: Dec 7, 2026 if ordered today

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Estimated Ship Date: Dec 7, 2026 if ordered today

ProX Top End Kit Pol. 600CFI '07-08

Part Number: PXR-11-5603-000

Not Yet Reviewed

Estimated Ship Date: Nov 9, 2026 if ordered today

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Estimated Ship Date: Nov 9, 2026 if ordered today

TOP END KIT

Part Number: WIS-SK1321

Not Yet Reviewed

Estimated Ship Date: Nov 6, 2026 if ordered today

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Estimated Ship Date: Nov 6, 2026 if ordered today

99-06 Twin Cam 88 A Engines 4-1/8in Bore S&S Stud Pattern Crankcase - Wrinkle Black

Part Number: SSY-31-0178A

Not Yet Reviewed

Estimated Ship Date: Dec 7, 2026 if ordered today

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Estimated Ship Date: Dec 7, 2026 if ordered today

99-06 BT Stock Bore Crankcase Assembly

Part Number: SSY-31-0172A

Not Yet Reviewed

Estimated Ship Date: Dec 7, 2026 if ordered today

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Estimated Ship Date: Dec 7, 2026 if ordered today

2017+ M8 128in CI Oil Cooled Power Pack w/ Chrome Pushrod Tubes w/ Highlight - Wrinkle Blk

Part Number: SSY-310-1104C

Not Yet Reviewed

Estimated Ship Date: Dec 7, 2026 if ordered today

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Estimated Ship Date: Dec 7, 2026 if ordered today

2017+ M8 4.250in Bore 550C Cam w/ Chrome Pushrods Power Pack - Wrinkle Black w/ Highlight

Part Number: SSY-310-1101C

Not Yet Reviewed

Estimated Ship Date: Dec 7, 2026 if ordered today

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Estimated Ship Date: Dec 7, 2026 if ordered today

2017+ M8 129in Power Pack w/ Chrome Pushrod Tubes & Cam Chain Tensioner - Blk w/ Highlight

Part Number: SSY-310-1223C

Not Yet Reviewed

Estimated Ship Date: Dec 7, 2026 if ordered today

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Estimated Ship Date: Dec 7, 2026 if ordered today

2017+ M8 129in Power Pack w/ Chrome Pushrod Tubes & Gear Drive Cam - Black w/ Highlight

Part Number: SSY-310-1224C

Not Yet Reviewed

Estimated Ship Date: Dec 7, 2026 if ordered today

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Estimated Ship Date: Dec 7, 2026 if ordered today

QuadBoss 11-13 Polaris Sportsman Touring 850 EPS (02) Complete Gasket Set w/ Oil Seal

Part Number: QDB-567961

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2026 if ordered today

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Estimated Ship Date: Nov 10, 2026 if ordered today

ProX Top End Kit BRP MXZ800 '00-07

Part Number: PXR-11-5800-000

Not Yet Reviewed

Estimated Ship Date: Nov 16, 2026 if ordered today

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Estimated Ship Date: Nov 16, 2026 if ordered today

Cyl. Head Serv. Kit, Kawasaki®, KX 450F , 2009-2015

Part Number: KPM-40-41470

Not Yet Reviewed

Estimated Ship Date: Dec 11, 2026 if ordered today

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Estimated Ship Date: Dec 11, 2026 if ordered today

Cyl. Head Serv. Kit, Suzuki®, RM-Z250, 2007-2009

Part Number: KPM-60-61810

Not Yet Reviewed

Estimated Ship Date: Dec 11, 2026 if ordered today

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Estimated Ship Date: Dec 11, 2026 if ordered today