Availability
HARLEY-DAVIDSON Powersports Top End Engine Kits
S&S 98 BIG BORE KIT BLK
Part Number: SSY-910-0481
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
S&S Cycle 00-21 Sportster Models 883cc to 1200cc Hooligan Kit - Silver
Part Number: SSY-910-0700
Not Yet Reviewed
Estimated Ship Date: May 13, 2026 if ordered today
Estimated Ship Date: May 13, 2026 if ordered today
ENGINE PERFORMANCE, 124" 4-1/8" BORE, CYLNDR ST 4-1/8" BR 124"
Part Number: SSY-910-0338
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Top End Engine Kit, Sidewinder Big Bore, Black Wrinkle Finish, 4 in., Forged Piston, Harley-Davidson®, Kit
Part Number: SSY-910-0651
Not Yet Reviewed
Estimated Ship Date: May 14, 2026 if ordered today
Estimated Ship Date: May 14, 2026 if ordered today
Big Bore Kit, 107 in., Drop-In, 3.937 in. Bore, Wrinkle Black Cylinders with Highlighted Fins, Harley-Davidson®, Kit
Part Number: SSY-910-0500
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Top End Engine Kit, 97 in. Big Bore, Black Wrinkle Finish, Forged Pistons, Gaskets, Harley-Davidson®, Kit
Part Number: SSY-910-0205
Not Yet Reviewed
Estimated Ship Date: May 13, 2026 if ordered today
Estimated Ship Date: May 13, 2026 if ordered today
ENGINE CYLINDERS, 99-06 TWIMCAM (EXC 06 DYNA), POWER PACK 585GE BLK
Part Number: SSY-330-0665
Not Yet Reviewed
Estimated Ship Date: May 14, 2026 if ordered today
Estimated Ship Date: May 14, 2026 if ordered today
S&S Cycle 86-19 Sportster Models 883 to 1200cc Conversion Kit - Wrinkle Black
Part Number: SSY-910-0687
Not Yet Reviewed
Estimated Ship Date: May 14, 2026 if ordered today
Estimated Ship Date: May 14, 2026 if ordered today
Top End Engine Kit, 110 in Power Package, Black Wrinkle Finish, 585 Easy Start Cams, Harley-Davidson®, Kit
Part Number: SSY-330-0668
Not Yet Reviewed
Estimated Ship Date: May 13, 2026 if ordered today
Estimated Ship Date: May 13, 2026 if ordered today
S&S Cycle 00-21 Sportster Models 1200cc to 1250cc Hooligan Kit - Wrinkle Black
Part Number: SSY-910-0701
Not Yet Reviewed
Estimated Ship Date: May 13, 2026 if ordered today
Estimated Ship Date: May 13, 2026 if ordered today
PERFORMANCE, 131" KIT - BLACK FINS M8
Part Number: SSY-910-0763
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
883 TO 1200CC CONVERSION KIT
Part Number: SSY-910-0688
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Top End Engine Kit, M8 124 in. Big Bore, Wrinkle Black Finish with Highlighted Fins, 4.250 in., Forged Piston, Harley-Davidson®, Kit
Part Number: SSY-910-0625
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
S&S Cycle 07-17 BT 117in Big Bore Cylinder Kit - Silver
Part Number: SSY-910-0213
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
S&S Cycle 84-99 BT w/ Stock Cylinder Heads 3-1/2in Bore Cylinder & Piston Kit - Wrinkle Black
Part Number: SSY-910-0182
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
S&S Cycle 99-06 BT 4 1/8in Bore Cylinder & Pistons Kit For Early Production S&S T117 Engine - WBlack
Part Number: SSY-910-0227
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
S&S Cycle 84-99 BT 4 1/8in Bore Cylinder & Pistons Kit For S&S V124 Engine - Wrinkle Black
Part Number: SSY-910-0224
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
S&S Cycle 07-16 BT 124in Low Compression 4-1/8in Big Bore Kit - Wrinkle Black
Part Number: SSY-910-0324
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
128" BIG BORE KIT M8 BLK
Part Number: SSY-910-0733
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
2017+ M8 Models 4.250in Bore 4.500in Stroke Cylinder Kit - Wrinkle Black w/o Highlight
Part Number: SSY-910-0685A
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
2017 M8 Touring 4.250in Bore x 4.375in Stroke 107 To 124 Big Bore Kit
Part Number: SSY-910-0625A
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
2017+ M8 Models 4.250in Bore 4-5/8in Stroke Cylinder Kit - Wrinkle Black w/ Highlight
Part Number: SSY-910-0762A
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
07-17 BT 117in Low Compression 4-1/8in Big Bore Kit - Silver
Part Number: SSY-910-0321
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
S&S Cylinder 84-99 BT w/Super Stock Cylinder Heads 89in 3 1/2in Bore Cylinder & Piston Kit - Wblack
Part Number: SSY-91-7711
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
S&S Cycle 66-84 BT 93in Standard Compression 3-5/8in Big Bore Cylinder & Piston Kit - Gloss Black
Part Number: SSY-91-9101
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
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