1991 Engine Kits & Rotating Assemblies Engines & Components - Free Shipping on Orders Over $109 at Summit Racing

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

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 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

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 91-7711

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

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 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

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 910-0182

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

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 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

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 1200cc Cylinder Kits 910-0696

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

Part Number: SSY-910-0696

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 Rotating Assemblies 1-91200

Engine Rotating Assembly, Series 9000, Cast Crank, Hypereutectic Pistons, I-Beam Rods, Chevy, Small Block, Kit

Part Number: SCA-1-91200

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Scat Engine Rotating Assemblies 1-91210

Engine Rotating Assembly, Series 9000, Cast Crank, Forged Pistons, I-Beam Rods, Chevy, Small Block, Kit

Part Number: SCA-1-91210

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Scat Engine Rotating Assemblies 1-91250

Engine Rotating Assembly, Series 9000, Cast Crank, Hypereutectic Pistons, I-Beam Rods, Chevy, Small Block, Kit

Part Number: SCA-1-91250

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Scat Engine Rotating Assemblies 1-91100

Engine Rotating Assembly, Series 9000, Cast Crank, Hypereutectic Pistons, I-Beam Rods, Chevy, Small Block, Kit

Part Number: SCA-1-91100

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Scat Engine Rotating Assemblies 1-91060

Engine Rotating Assembly, Series 9000, Cast Crank, Forged Pistons, I-Beam Rods, Chevy, Small Block, Kit

Part Number: SCA-1-91060

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Scat Engine Rotating Assemblies 1-92303

Street Performance, Stock Replacement Rotating Assembly

Part Number: SCA-1-92303

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Scat Engine Rotating Assemblies 1-91205

Engine Rotating Assembly, Series 9000, Cast Crank, Forged Pistons, I-Beam Rods, Chevy, Small Block, Kit

Part Number: SCA-1-91205

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Scat Engine Rotating Assemblies 1-92302

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

Part Number: SCA-1-92302

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

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

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

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Eagle Street and Strip Rotating Assemblies B13055L04068

Engine Rotating Assembly, Street/Strip, Cast Crank, Hypereutectic Pistons, I-Beam Rods, Chevy, 5.7L, Kit

Part Number: ESP-B13055L04068

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Eagle Street Performance Rotating Assemblies with Silv-O-Lite Claimer Pistons B15405L04068

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Estimated Ship Date: Today

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Eagle Street and Strip Rotating Assemblies 13052L040

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

Part Number: ESP-13052L040

Not Yet Reviewed

Estimated Ship Date: Jan 23, 2026 if ordered today

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Estimated Ship Date: Jan 23, 2026 if ordered today

Eagle Street and Strip Rotating Assemblies 13054L000

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

Part Number: ESP-13054L000

Not Yet Reviewed

Estimated Ship Date: Jan 23, 2026 if ordered today

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Estimated Ship Date: Jan 23, 2026 if ordered today

Eagle Street and Strip Rotating Assemblies 13054L030

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

Part Number: ESP-13054L030

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 23, 2026 if ordered today

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Estimated Ship Date: Jan 23, 2026 if ordered today

Eagle Street and Strip Rotating Assemblies 13054L040

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

Part Number: ESP-13054L040

Not Yet Reviewed

Estimated Ship Date: Jan 23, 2026 if ordered today

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Estimated Ship Date: Jan 23, 2026 if ordered today

Eagle Street and Strip Rotating Assemblies 13054L060

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

Part Number: ESP-13054L060

Not Yet Reviewed

Estimated Ship Date: Jan 23, 2026 if ordered today

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Estimated Ship Date: Jan 23, 2026 if ordered today