Engine Kits & Rotating Assemblies Engines & Components - Free Shipping on Orders Over $109 at Summit Racing

S&S Cycle 106 in. Big Bore Kits 910-0203

S&S Cycle 99-16 BT Replacement 3-7/8in Bore Cylinder & Piston Kit For S&S 106in Stroker Kit - Wblack

Part Number: SSY-910-0203

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

S&S Cycle T111 Cylinder Kits 910-0218

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

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Estimated Ship Date: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

S&S Cycle 88 in. Big Bore Cylinder Kits 91-7502

S&S Cycle 84-99 BT w/ Stock Heads 88in 3 5/8in Big Bore Cylinder & Piston Kit - Wrinkle Black

Part Number: SSY-91-7502

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Estimated Ship Date: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

S&S Cycle 80 in. Stock Bore Cylinder Kits 910-0182

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: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

S&S Cycle 96 in. Big Bore Cylinder Kits 91-7707

S&S Cycle 84-99 BT 96in 3-5/8in Big Bore Cylinder & Piston Kit For S&S SH96 Engines - Wrinkle Black

Part Number: SSY-91-7707

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Estimated Ship Date: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

S&S Cycle Evolution Cylinders 91-7000

S&S Cycle 84-99 BT w/ Stock Heads 3-5/8in Bore Cylinder Set - Natural

Part Number: SSY-91-7000

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Estimated Ship Date: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

S&S Cycle 89 in. Stock Bore Cylinder Kits 91-7711

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

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Estimated Ship Date: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

S&S Cycle 96 in. Big Bore Cylinder Kits 91-7702

S&S Cycle 84-99 BT 96in 3 5/8in Sidewinder Big Bore Cylinder & Piston Kit - Wrinkle Black

Part Number: SSY-91-7702

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Estimated Ship Date: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

S&S Cycle 106 in. Big Bore Kits 910-0199

S&S Cycle 99-16 BT Replacement 3-7/8in Bore Cylinder & Piston Kit For S&S 106in Stroker Kit - Silver

Part Number: SSY-910-0199

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

S&S Cycle 89 in. Stock Bore Cylinder Kits 91-7715

S&S Cycle 84-99 BT w/ Super Stock Heads 89in 3-1/2in Bore Cylinder and Piston Kit

Part Number: SSY-91-7715

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

S&S Cycle 96 in. Big Bore Cylinder Kits 91-7202

S&S Cycle 84-99 BT 96in 3 5/8in Big Bore Cylinder & Piston Kit - Natural

Part Number: SSY-91-7202

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

S&S Cycle 80 in. Stock Bore Cylinder Kits 910-0179

S&S Cycle 84-99 BT w/ Stock Heads 3-1/2in Bore Cylinder & Piston Kit - Natural

Part Number: SSY-910-0179

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

S&S Cycle 96 in. Big Bore Cylinder Kits 91-7207

S&S Cycle 84-99 BT 96in 3-5/8in Big Bore Cylinder & Piston Kit For S&S SH96 Engines - Natural

Part Number: SSY-91-7207

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

S&S Cycle 107 in. Big Bore Kits 910-0480

107" BIG BORE KIT SIL

Part Number: SSY-910-0480

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Estimated Ship Date: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

S&S Cycle 88 in. Big Bore Cylinder Kits 91-7002

S&S Cycle 84-99 BT 88in 3 5/8in Big Bore Cylinder & Piston Kit - Natural

Part Number: SSY-91-7002

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

S&S Cycle V117 Cylinder Kits 910-0290

S&S Cycle 84-99 BT 4-1/8in Bore Cylinder Set w/ Pistons For 117in V-Series Engines - Natural

Part Number: SSY-910-0290

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Estimated Ship Date: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

S&S Cycle 1200cc Cylinder Kits 910-0696

S&S Cycle 86-03 Sportster Models 1200cc Cylinder and Piston Kit - Wrinkle Black

Part Number: SSY-910-0696

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Estimated Ship Date: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

S&S Cycle 89 in. Stock Bore Cylinder Kits 91-7211

S&S Cylinder 84-99 BT w/Super Stock Cylinder Heads 89in 3 1/2in Bore Cylinder & Piston Kit - Natural

Part Number: SSY-91-7211

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

SCAT Engine Components Engine Rotating Kits 1-92302BIE-040

ROTATING ASSEMBLY

Part Number: SCA-192302BIE040

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Eagle Specialty Products Engine Rotating Kits B13202040

BALANCED ROTATING ASSEMBLY

Part Number: ESP-B13202040

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

Eagle Street Performance Rotating Assemblies with Silv-O-Lite Claimer Pistons B15404L03053

Engine Rotating Assembly, Street, Cast Crank, Hypereutectic Pistons, I-Beam Rods, Chevy, Small Block, Kit

Part Number: ESP-B15404L03053

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Eagle Street and Strip Rotating Assemblies B15505L03053

Not Yet Reviewed

Estimated Ship Date: Monday 12/22/2025

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Eagle Street Performance Rotating Assemblies with Silv-O-Lite Claimer Pistons B15405L03068

Engine Rotating Assembly, Street, Cast Crank, Hypereutectic Pistons, I-Beam Rods, Chevy, Small Block, Kit

Part Number: ESP-B15405L03068

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Eagle Street and Strip Rotating Assemblies B15505L03053

Not Yet Reviewed

Estimated Ship Date: Monday 12/22/2025

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Eagle Street Performance Rotating Assemblies with Speed Pro Pistons B15402L03053

Engine Rotating Assembly, Street, Cast Crank, Hypereutectic Pistons, I-Beam Rods, Chevy, Small Block, Kit

Part Number: ESP-B15402L03053

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 14, 2026 if ordered today

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Estimated Ship Date: Jan 14, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Eagle Street Performance Rotating Assemblies with Silv-O-Lite Claimer Pistons B15402L03068

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/22/2025

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Vertex Complete Engine Rebuild Kits WR00060

Complete Engine Rebuild Kit, Stock Bore, Stock Stroke, 10.20 to 1 Compression, Polaris, Kit

Part Number: VPX-WR00060

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

Vertex Complete Engine Rebuild Kits WR00064

Complete Engine Rebuild Kit, 0.50mm Over Bore, Stock Stroke, 10.20 to 1 Compression, Polaris, Kit

Part Number: VPX-WR00064

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today