$1,437.95

S&S Cycle 84-99 BT 96in 3-5/8in Big Bore Cylinder & Piston Kit For S&S SH96 Engines - Wrinkle Black
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S&S Cycle 96 in. Big Bore Kits 91-7707

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

SSY-91-7707

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Part Number: SSY-91-7707

Estimated Ship Date: Dec 16, 2026

$1,437.95

Estimated Ship Date: Dec 16, 2026 Would you rather pick it up?

Overview

Brand:
Manufacturer's Part Number:
91-7707
Part Type:
Product Line:
Summit Racing Part Number:
SSY-91-7707
Cylinder Included:
Yes
Pistons Included:
Yes
Piston Material:
Forged aluminum
Piston Rings Included:
Yes
Wrist Pin Included:
Yes
Wrist Pin Bearing Included:
No
Head Gaskets Included:
Yes
Base Gaskets Included:
Yes
Cam Chain Tensioner Gaskets Included:
No
Exhaust Gaskets Included:
Yes
Valve Cover Gaskets Included:
No
Quantity:
Sold as a kit.
Notes:
Kit features wrinkle black with highlighted fin cylinders with a 3 5/8 in. bore, is for use with a 4 5/8 in. stroke crankshaft, S&S Super Stock cylinder heads, and cases must be bored for installation.

S&S Cycle 96 in. Big Bore Kits

S&S Cycle's 96 in. big bore kits for a Harley-Davidson® motorcycle provides significant benefits by increasing the engine displacement, leading to noticeable power gains, particularly in the low and mid-range torque, resulting in better acceleration and improved overall performance, especially for riders looking for a more powerful ride without drastically altering the engine character. The larger cylinder bore displaces more air, allowing for more fuel to be burned, generating more power throughout the powerband, especially noticeable during acceleration. Big bore kits tend to focus on increasing low and mid-range torque, which is beneficial for everyday riding and pulling heavy loads. With a larger cylinder volume, the engine can react quicker to throttle inputs, leading to a more responsive feel. Compared to other performance modifications, a big bore kit can be a relatively straightforward upgrade, often requiring minimal additional changes to the engine. One of these S&S Cycle 96 in. big bore kits can be a great starting point for further performance upgrades like camshaft changes, ported heads, and upgraded intake systems to maximize power gains.

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