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S&S Cycle  |  SKU: FJHF_310-1106A

128" Power Package Engine Performance Kit - Gear Drive - Wrinkle Black with Non-Highlighted Fins - 310-1106A

$3,460.95

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Description
Big Bore Kit. Big-bore bolt-on kit increases 114"/117" with 4-1/2" stroke M-Eight to 128" with no case machining required. 4-1/4" bore cylinders with 11:1 forged pistons. Oil Pump/Cam Plate. S&S oil pump/cam plate with blue anodized finish. Passage plugs are removable for servicing. Independent scavenge sections for flywheel cavity and cam chest. Debris screen in both scavenge pickups. Magnet in cam chest to help prevent debris from entering the oil pump. Increased oil flow capacity on both the oil feed and scavenge side. Adjustable pressure relief valve can be adjusted with the unit installed in the engine. Pushrods. Quikee pushrods with chrome pushrod tubes. Tappets. S&S premium tappets. Tappet Cuffs. S&S hard-anodized, black coated tappet cuffs are billet aluminum construction. Improve tappet stability in high-lift, high-rpm situations. Cam. S&S 550 cams designed for big bore applications. Valve Springs. S&S valve springs work with cams up to .605" lift. High-performance conical single-wire spring design. All necessary gaskets, bearings and hardware for bolt-on installation is included.

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S&S Cycle

128" Power Package Engine Performance Kit - Gear Drive - Wrinkle Black with Non-Highlighted Fins - 310-1106A

$3,460.95
Big Bore Kit. Big-bore bolt-on kit increases 114"/117" with 4-1/2" stroke M-Eight to 128" with no case machining required. 4-1/4" bore cylinders with 11:1 forged pistons. Oil Pump/Cam Plate. S&S oil pump/cam plate with blue anodized finish. Passage plugs are removable for servicing. Independent scavenge sections for flywheel cavity and cam chest. Debris screen in both scavenge pickups. Magnet in cam chest to help prevent debris from entering the oil pump. Increased oil flow capacity on both the oil feed and scavenge side. Adjustable pressure relief valve can be adjusted with the unit installed in the engine. Pushrods. Quikee pushrods with chrome pushrod tubes. Tappets. S&S premium tappets. Tappet Cuffs. S&S hard-anodized, black coated tappet cuffs are billet aluminum construction. Improve tappet stability in high-lift, high-rpm situations. Cam. S&S 550 cams designed for big bore applications. Valve Springs. S&S valve springs work with cams up to .605" lift. High-performance conical single-wire spring design. All necessary gaskets, bearings and hardware for bolt-on installation is included.
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  • Returns & exchanges

    All returns must be shipped back to our store 30 days from purchase to:

    Trails-North Powersports 200 E. Lead St. Bessemer, Mi. 49911 at the purchasers expense.

    All returns must be returned unused, without any evidence of damage and in the original packaging.

    Parts with defects from the manufacturer will be exchanged after we have received and inspected the issues in question. Shipping return costs will be reimbursed to the purchaser after the defective part has been returned and deemed to be a factory defect. There is a 20% restocking fee that will be deducted on all returned non defective merchandise.
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