Overview Product Description Big-bore bolt-on kit increases 114"/117" with 4-1/2" stroke M-Eight with no case machining required 4-1/4" bore cylinders with 11:1 forged pistons 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 Quickee pushrods with chrome pushrod tubes S&S premium tappets S&S hard-anodized, black coated tappet cuffs are billet aluminum construction Improve tappet stability in high-lift, high-rpm situations S&S 550 cams designed for big bore applications 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 Made in the U.S.A. Product Videos Custom Field Fitment: Model HD Touring Fitment: Engine 17-UP Milwaukee Eight Fitment: Engine 99-17 Twin Cam Product Reviews Write a Review Write a Review × S&S Cycle S&S Cycle 310-1101B - Power Pack - Twin Cooled - M8 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *
S&S Cycle | sku: 0904-0087 S&S Cycle 310-1050B - Power Pack - Twin Cooled - M8 MSRP: $2,865.95 Was: Now: $2,579.36 Add to Cart S&S Cycle | sku: 0904-0094 S&S Cycle 310-1107B - Power Pack - Twin Cooled - M8 MSRP: $2,865.95 Was: Now: $2,579.36 Add to Cart S&S Cycle | sku: 0904-0089 S&S Cycle 310-1054B - Power Pack - Twin Cooled - M8 MSRP: $2,865.95 Was: Now: $2,579.36 Add to Cart S&S Cycle | sku: 0904-0088 S&S Cycle 310-1052B - Power Pack - Oil Cooled - M8 MSRP: $2,865.95 Was: Now: $2,579.36 Add to Cart S&S Cycle | sku: 0904-0095 S&S Cycle 310-1109B - Power Pack - Oil Cooled - M8 MSRP: $2,865.95 Was: Now: $2,579.36 Add to Cart Recommended S&S Cycle | sku: 0904-0087 S&S Cycle 310-1050B - Power Pack - Twin Cooled - M8 MSRP: $2,865.95 Was: Now: $2,579.36 Add to Cart S&S Cycle | sku: 0904-0094 S&S Cycle 310-1107B - Power Pack - Twin Cooled - M8 MSRP: $2,865.95 Was: Now: $2,579.36 Add to Cart S&S Cycle | sku: 0904-0089 S&S Cycle 310-1054B - Power Pack - Twin Cooled - M8 MSRP: $2,865.95 Was: Now: $2,579.36 Add to Cart S&S Cycle | sku: 0904-0088 S&S Cycle 310-1052B - Power Pack - Oil Cooled - M8 MSRP: $2,865.95 Was: Now: $2,579.36 Add to Cart S&S Cycle | sku: 0904-0095 S&S Cycle 310-1109B - Power Pack - Oil Cooled - M8 MSRP: $2,865.95 Was: Now: $2,579.36 Add to Cart × OK
S&S Cycle | sku: 0904-0094 S&S Cycle 310-1107B - Power Pack - Twin Cooled - M8 MSRP: $2,865.95 Was: Now: $2,579.36 Add to Cart S&S Cycle | sku: 0904-0089 S&S Cycle 310-1054B - Power Pack - Twin Cooled - M8 MSRP: $2,865.95 Was: Now: $2,579.36 Add to Cart S&S Cycle | sku: 0904-0088 S&S Cycle 310-1052B - Power Pack - Oil Cooled - M8 MSRP: $2,865.95 Was: Now: $2,579.36 Add to Cart S&S Cycle | sku: 0904-0095 S&S Cycle 310-1109B - Power Pack - Oil Cooled - M8 MSRP: $2,865.95 Was: Now: $2,579.36 Add to Cart Recommended S&S Cycle | sku: 0904-0087 S&S Cycle 310-1050B - Power Pack - Twin Cooled - M8 MSRP: $2,865.95 Was: Now: $2,579.36 Add to Cart S&S Cycle | sku: 0904-0094 S&S Cycle 310-1107B - Power Pack - Twin Cooled - M8 MSRP: $2,865.95 Was: Now: $2,579.36 Add to Cart S&S Cycle | sku: 0904-0089 S&S Cycle 310-1054B - Power Pack - Twin Cooled - M8 MSRP: $2,865.95 Was: Now: $2,579.36 Add to Cart S&S Cycle | sku: 0904-0088 S&S Cycle 310-1052B - Power Pack - Oil Cooled - M8 MSRP: $2,865.95 Was: Now: $2,579.36 Add to Cart S&S Cycle | sku: 0904-0095 S&S Cycle 310-1109B - Power Pack - Oil Cooled - M8 MSRP: $2,865.95 Was: Now: $2,579.36 Add to Cart
S&S Cycle | sku: 0904-0089 S&S Cycle 310-1054B - Power Pack - Twin Cooled - M8 MSRP: $2,865.95 Was: Now: $2,579.36 Add to Cart S&S Cycle | sku: 0904-0088 S&S Cycle 310-1052B - Power Pack - Oil Cooled - M8 MSRP: $2,865.95 Was: Now: $2,579.36 Add to Cart S&S Cycle | sku: 0904-0095 S&S Cycle 310-1109B - Power Pack - Oil Cooled - M8 MSRP: $2,865.95 Was: Now: $2,579.36 Add to Cart
S&S Cycle | sku: 0904-0088 S&S Cycle 310-1052B - Power Pack - Oil Cooled - M8 MSRP: $2,865.95 Was: Now: $2,579.36 Add to Cart S&S Cycle | sku: 0904-0095 S&S Cycle 310-1109B - Power Pack - Oil Cooled - M8 MSRP: $2,865.95 Was: Now: $2,579.36 Add to Cart
S&S Cycle | sku: 0904-0095 S&S Cycle 310-1109B - Power Pack - Oil Cooled - M8 MSRP: $2,865.95 Was: Now: $2,579.36 Add to Cart
S&S Cycle | sku: 0904-0087 S&S Cycle 310-1050B - Power Pack - Twin Cooled - M8 MSRP: $2,865.95 Was: Now: $2,579.36 Add to Cart S&S Cycle | sku: 0904-0094 S&S Cycle 310-1107B - Power Pack - Twin Cooled - M8 MSRP: $2,865.95 Was: Now: $2,579.36 Add to Cart S&S Cycle | sku: 0904-0089 S&S Cycle 310-1054B - Power Pack - Twin Cooled - M8 MSRP: $2,865.95 Was: Now: $2,579.36 Add to Cart S&S Cycle | sku: 0904-0088 S&S Cycle 310-1052B - Power Pack - Oil Cooled - M8 MSRP: $2,865.95 Was: Now: $2,579.36 Add to Cart S&S Cycle | sku: 0904-0095 S&S Cycle 310-1109B - Power Pack - Oil Cooled - M8 MSRP: $2,865.95 Was: Now: $2,579.36 Add to Cart
S&S Cycle | sku: 0904-0094 S&S Cycle 310-1107B - Power Pack - Twin Cooled - M8 MSRP: $2,865.95 Was: Now: $2,579.36 Add to Cart S&S Cycle | sku: 0904-0089 S&S Cycle 310-1054B - Power Pack - Twin Cooled - M8 MSRP: $2,865.95 Was: Now: $2,579.36 Add to Cart S&S Cycle | sku: 0904-0088 S&S Cycle 310-1052B - Power Pack - Oil Cooled - M8 MSRP: $2,865.95 Was: Now: $2,579.36 Add to Cart S&S Cycle | sku: 0904-0095 S&S Cycle 310-1109B - Power Pack - Oil Cooled - M8 MSRP: $2,865.95 Was: Now: $2,579.36 Add to Cart
S&S Cycle | sku: 0904-0089 S&S Cycle 310-1054B - Power Pack - Twin Cooled - M8 MSRP: $2,865.95 Was: Now: $2,579.36 Add to Cart S&S Cycle | sku: 0904-0088 S&S Cycle 310-1052B - Power Pack - Oil Cooled - M8 MSRP: $2,865.95 Was: Now: $2,579.36 Add to Cart S&S Cycle | sku: 0904-0095 S&S Cycle 310-1109B - Power Pack - Oil Cooled - M8 MSRP: $2,865.95 Was: Now: $2,579.36 Add to Cart
S&S Cycle | sku: 0904-0088 S&S Cycle 310-1052B - Power Pack - Oil Cooled - M8 MSRP: $2,865.95 Was: Now: $2,579.36 Add to Cart S&S Cycle | sku: 0904-0095 S&S Cycle 310-1109B - Power Pack - Oil Cooled - M8 MSRP: $2,865.95 Was: Now: $2,579.36 Add to Cart
S&S Cycle | sku: 0904-0095 S&S Cycle 310-1109B - Power Pack - Oil Cooled - M8 MSRP: $2,865.95 Was: Now: $2,579.36 Add to Cart