Availability
Powersports Top End Engine Kits
2017+ M8 Models 132in/136in Big Bore Cylinder Kit (Blk w/o Highlighted Fin) - 4.320in Bore
Part Number: SSY-910-1009A
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
2017+ M8 132in Power Pack w/ Chrome Pushrod Tubes & Gear Drive Cam - Black w/ Highlight
Part Number: SSY-310-1232C
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
84-99 BT 4-1/8in Bore Cylinder & Piston Kit For 111in V-Series Engines - Polished
Part Number: SSY-910-0424
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
86-03 XL 3-13/16in Stroke 3.500in Bore Cylinder Kit
Part Number: SSY-910-0694
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
2017+ M8 Models 4.320in Bore 4.625in Stroke Cylinder Kit - Wrinkle Black w/o Highlight
Part Number: SSY-910-0849A
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
2017+ M8 129in Power Pack w/ Black Pushrod Tubes & Cam Chain Tensioners - Blk w/ Highlight
Part Number: SSY-310-1225C
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
84-99 BT 4 1/8in Bore Cylinder & Pistons Kit For S&S V124 Engine - Polished
Part Number: SSY-910-0230
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
07-16 BT 124in Low Compression 4-1/8in Big Bore Kit - Silver
Part Number: SSY-910-0327
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
2017+ M8 Models 4.250in Bore x 4.5in Stroke 114 To 128 Big Bore Kit
Part Number: SSY-910-0684A
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
2017+ M8 Model 132in/136in Big Bore Cylinder Kit +8.5cc Dome (Blk w/o Fins) - 4.320in Bore
Part Number: SSY-910-0910A
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
2017+ M8 129in Power Pack w/ Black Pushrod Tubes & Gear Drive Cam - Black w/ Highlight
Part Number: SSY-310-1227C
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 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: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
84-99 BT 96in 3 5/8in Big Bore Cylinder & Intermediate Compression Piston Kit - Natural
Part Number: SSY-91-7054
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
2017+ M8 Models 4.5in Stroke 132in Big Bore Kit
Part Number: SSY-910-0845A
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
S&S Cycle 2017+ M8 Models 4.320in Bore 4.500in Stroke Cylinder Kit - Black Granite w/ Highlight
Part Number: SSY-910-0847
Not Yet Reviewed
Estimated Ship Date: Mar 24, 2026 if ordered today
Estimated Ship Date: Mar 24, 2026 if ordered today
PERFORMANCE, 131" KIT - BLK GRANITE M8
Part Number: SSY-910-0764
Not Yet Reviewed
Estimated Ship Date: Mar 24, 2026 if ordered today
Estimated Ship Date: Mar 24, 2026 if ordered today
S&S Cycle 2017+ M8 Models 4.320in Bore 4.500in Stroke Cylinder Kit - Wrinkle Black w/o Highlight
Part Number: SSY-910-0846
Not Yet Reviewed
Estimated Ship Date: Mar 24, 2026 if ordered today
Estimated Ship Date: Mar 24, 2026 if ordered today
S&S Cycle 2017+ M8 Models 129in Big-Bore Kit 4.375in Stroke Non-Highlighted Cylinders
Part Number: SSY-910-0844
Not Yet Reviewed
Estimated Ship Date: Mar 24, 2026 if ordered today
Estimated Ship Date: Mar 24, 2026 if ordered today
S&S Cycle 2017+ M8 Models 4.5in Stroke 132in Big Bore Kit
Part Number: SSY-910-0845
Not Yet Reviewed
Estimated Ship Date: Mar 24, 2026 if ordered today
Estimated Ship Date: Mar 24, 2026 if ordered today
TOP END KIT
Part Number: SSY-90-0097
Not Yet Reviewed
Estimated Ship Date: Mar 24, 2026 if ordered today
Estimated Ship Date: Mar 24, 2026 if ordered today
80" COMPLETE TOP END KIT BT
Part Number: SSY-90-0098
Not Yet Reviewed
Estimated Ship Date: Mar 24, 2026 if ordered today
Estimated Ship Date: Mar 24, 2026 if ordered today
ENGINE PERFORMANCE, M8 MODELS W/114", 128" BIG BORE KIT M8 BLK
Part Number: SSY-910-0685
Not Yet Reviewed
Estimated Ship Date: Mar 24, 2026 if ordered today
Estimated Ship Date: Mar 24, 2026 if ordered today
128" BIG BORE KIT M8 BLK
Part Number: SSY-910-0733
Not Yet Reviewed
Estimated Ship Date: Mar 24, 2026 if ordered today
Estimated Ship Date: Mar 24, 2026 if ordered today
S&S Cycle 99-06 BT 4-1/8in Bore Cylinder Kit For Early Production S&S T117 Engines - Silver
Part Number: SSY-910-0218
Not Yet Reviewed
Estimated Ship Date: Mar 24, 2026 if ordered today
Estimated Ship Date: Mar 24, 2026 if ordered today
S&S Cycle 2017+ M8 Models 129in Big-Bore Kit 4.375in Stroke Highlighted Cylinders
Part Number: SSY-910-0843
Not Yet Reviewed
Estimated Ship Date: Mar 24, 2026 if ordered today
Estimated Ship Date: Mar 24, 2026 if ordered today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster