VANCE & HINES, 96" TO 107" BIG BORE CONVERSION PISTON KIT
Used to convert a 96" Twin Cam to 107". Manufactured from 2618 forged aluminum. Moly-coated piston skirts and a phosphate coating to help reduce micro-welding and pin galling. This large 3.927" bore fits 96" Twin Cam models with a stock 3-3/4" bore increasing capacity of the stock 4-3/8 stroke 96" engine to a healthy 107". Also fits 00-06 Softail and 99-06 Dyna and Touring equipped with 4-3/8" stroke flywheels. Compression Height 1.085". Compression height 1.085", effective volume +6cc. Valve Depth: Intake/ Exhaust: .209". Kit includes pistons, wrist pins, wrist pin clips and piston rings. Ring used top & second 1.5mm and oil ring 3mm. Note: Will require boring of the stock Twin Cam cylinders. Note: Due to the large diameter oversizes are not available. Note: In any and all applications the technician must be able to judge components for their suitability in combination with the other engine components, prior to installation. It is of importance that a knowledgeable mechanic will install & make adjustments as required. The rider must follow standard break-in and riding procedures for overhauled engines.
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Forged 2618 Aluminum
Moly Coated Piston Skirts
High-Strength, Light Weight Chromoly Wrist Pin
Phosphate Coating to Reduce Micro-Welding and Pin Galling
Forced Pin Oiling Preventing Scuffing at Start Up
Precision Machined Ring Grooves Preventing Ring Flutter and Positive Ring Seal
Includes Two Pistons, Wristpins, Ring Set, Pin Locks
Effective Volume: +.6cc
Compression Height 1.085″
Valve Depth: Intake/ Exhaust: .209″
Top Ring 1.5mm
2nd Ring 1.5mm
Oil Ring 3.0mm
Fits: > 06-17 96" Twin Cam (NU)