Overview Product Description Transform 107" oil-cooled M8 into 129" with no case machining required Big bore cylinders come with matching cam, cam plate and oil pump Independent scavenge sections for flywheel cavity and cam chest Magnet in cam chest to help prevent debris from entering oil pump Feature high-performance conical single-wire S&S valve springs Original engine serial numbers are retained Passage plugs are removable for servicing Debris screen in both scavenge pickups MLS (multi-layered steel) head gaskets Performance matched 550 cam Works with stock crankcase Made in the USA Product Videos Custom Field Product Reviews Write a Review Write a Review × S&S Cycle S&S Cycle 310-1224 - 129" Power Package Engine Performance Kit - Gear Drive - Oil Cooled - Highlighted Fins - 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: 0904-0113 S&S Cycle 310-1228 - 129" Power Package Engine Performance Kit - Gear Drive - Oil Cooled - Non-Highlighted Fins - M8 MSRP: $3,159.95 Was: Now: $2,843.96 Add to Cart S&S Cycle | sku: 0904-0114 S&S Cycle 310-1227 - 129" Power Package Engine Performance Kit - Gear Drive - Oil Cooled - Highlighted Fins - M8 MSRP: $3,159.95 Was: Now: $2,843.96 Add to Cart S&S Cycle | sku: 0904-0101 S&S Cycle 310-1225 - 129" Power Package Engine Performance Kit - Chain Drive - Oil Cooled - Highlighted Fins - M8 MSRP: $2,959.95 Was: Now: $2,663.96 Add to Cart S&S Cycle | sku: 0904-0106 S&S Cycle 310-1226 - 129" Power Package Engine Performance Kit - Chain Drive - Oil Cooled - Non-Highlighted Fins - M8 MSRP: $2,959.95 Was: Now: $2,663.96 Add to Cart S&S Cycle | sku: 0904-0100 S&S Cycle 310-1223 - 129" Power Package Engine Performance Kit - Chain Drive - Oil Cooled - Highlighted Fins - M8 MSRP: $2,959.95 Was: Now: $2,663.96 Add to Cart Recommended S&S Cycle | sku: 0904-0113 S&S Cycle 310-1228 - 129" Power Package Engine Performance Kit - Gear Drive - Oil Cooled - Non-Highlighted Fins - M8 MSRP: $3,159.95 Was: Now: $2,843.96 Add to Cart S&S Cycle | sku: 0904-0114 S&S Cycle 310-1227 - 129" Power Package Engine Performance Kit - Gear Drive - Oil Cooled - Highlighted Fins - M8 MSRP: $3,159.95 Was: Now: $2,843.96 Add to Cart S&S Cycle | sku: 0904-0101 S&S Cycle 310-1225 - 129" Power Package Engine Performance Kit - Chain Drive - Oil Cooled - Highlighted Fins - M8 MSRP: $2,959.95 Was: Now: $2,663.96 Add to Cart S&S Cycle | sku: 0904-0106 S&S Cycle 310-1226 - 129" Power Package Engine Performance Kit - Chain Drive - Oil Cooled - Non-Highlighted Fins - M8 MSRP: $2,959.95 Was: Now: $2,663.96 Add to Cart S&S Cycle | sku: 0904-0100 S&S Cycle 310-1223 - 129" Power Package Engine Performance Kit - Chain Drive - Oil Cooled - Highlighted Fins - M8 MSRP: $2,959.95 Was: Now: $2,663.96 Add to Cart × OK
S&S Cycle | sku: 0904-0114 S&S Cycle 310-1227 - 129" Power Package Engine Performance Kit - Gear Drive - Oil Cooled - Highlighted Fins - M8 MSRP: $3,159.95 Was: Now: $2,843.96 Add to Cart S&S Cycle | sku: 0904-0101 S&S Cycle 310-1225 - 129" Power Package Engine Performance Kit - Chain Drive - Oil Cooled - Highlighted Fins - M8 MSRP: $2,959.95 Was: Now: $2,663.96 Add to Cart S&S Cycle | sku: 0904-0106 S&S Cycle 310-1226 - 129" Power Package Engine Performance Kit - Chain Drive - Oil Cooled - Non-Highlighted Fins - M8 MSRP: $2,959.95 Was: Now: $2,663.96 Add to Cart S&S Cycle | sku: 0904-0100 S&S Cycle 310-1223 - 129" Power Package Engine Performance Kit - Chain Drive - Oil Cooled - Highlighted Fins - M8 MSRP: $2,959.95 Was: Now: $2,663.96 Add to Cart Recommended S&S Cycle | sku: 0904-0113 S&S Cycle 310-1228 - 129" Power Package Engine Performance Kit - Gear Drive - Oil Cooled - Non-Highlighted Fins - M8 MSRP: $3,159.95 Was: Now: $2,843.96 Add to Cart S&S Cycle | sku: 0904-0114 S&S Cycle 310-1227 - 129" Power Package Engine Performance Kit - Gear Drive - Oil Cooled - Highlighted Fins - M8 MSRP: $3,159.95 Was: Now: $2,843.96 Add to Cart S&S Cycle | sku: 0904-0101 S&S Cycle 310-1225 - 129" Power Package Engine Performance Kit - Chain Drive - Oil Cooled - Highlighted Fins - M8 MSRP: $2,959.95 Was: Now: $2,663.96 Add to Cart S&S Cycle | sku: 0904-0106 S&S Cycle 310-1226 - 129" Power Package Engine Performance Kit - Chain Drive - Oil Cooled - Non-Highlighted Fins - M8 MSRP: $2,959.95 Was: Now: $2,663.96 Add to Cart S&S Cycle | sku: 0904-0100 S&S Cycle 310-1223 - 129" Power Package Engine Performance Kit - Chain Drive - Oil Cooled - Highlighted Fins - M8 MSRP: $2,959.95 Was: Now: $2,663.96 Add to Cart
S&S Cycle | sku: 0904-0101 S&S Cycle 310-1225 - 129" Power Package Engine Performance Kit - Chain Drive - Oil Cooled - Highlighted Fins - M8 MSRP: $2,959.95 Was: Now: $2,663.96 Add to Cart S&S Cycle | sku: 0904-0106 S&S Cycle 310-1226 - 129" Power Package Engine Performance Kit - Chain Drive - Oil Cooled - Non-Highlighted Fins - M8 MSRP: $2,959.95 Was: Now: $2,663.96 Add to Cart S&S Cycle | sku: 0904-0100 S&S Cycle 310-1223 - 129" Power Package Engine Performance Kit - Chain Drive - Oil Cooled - Highlighted Fins - M8 MSRP: $2,959.95 Was: Now: $2,663.96 Add to Cart
S&S Cycle | sku: 0904-0106 S&S Cycle 310-1226 - 129" Power Package Engine Performance Kit - Chain Drive - Oil Cooled - Non-Highlighted Fins - M8 MSRP: $2,959.95 Was: Now: $2,663.96 Add to Cart S&S Cycle | sku: 0904-0100 S&S Cycle 310-1223 - 129" Power Package Engine Performance Kit - Chain Drive - Oil Cooled - Highlighted Fins - M8 MSRP: $2,959.95 Was: Now: $2,663.96 Add to Cart
S&S Cycle | sku: 0904-0100 S&S Cycle 310-1223 - 129" Power Package Engine Performance Kit - Chain Drive - Oil Cooled - Highlighted Fins - M8 MSRP: $2,959.95 Was: Now: $2,663.96 Add to Cart
S&S Cycle | sku: 0904-0113 S&S Cycle 310-1228 - 129" Power Package Engine Performance Kit - Gear Drive - Oil Cooled - Non-Highlighted Fins - M8 MSRP: $3,159.95 Was: Now: $2,843.96 Add to Cart S&S Cycle | sku: 0904-0114 S&S Cycle 310-1227 - 129" Power Package Engine Performance Kit - Gear Drive - Oil Cooled - Highlighted Fins - M8 MSRP: $3,159.95 Was: Now: $2,843.96 Add to Cart S&S Cycle | sku: 0904-0101 S&S Cycle 310-1225 - 129" Power Package Engine Performance Kit - Chain Drive - Oil Cooled - Highlighted Fins - M8 MSRP: $2,959.95 Was: Now: $2,663.96 Add to Cart S&S Cycle | sku: 0904-0106 S&S Cycle 310-1226 - 129" Power Package Engine Performance Kit - Chain Drive - Oil Cooled - Non-Highlighted Fins - M8 MSRP: $2,959.95 Was: Now: $2,663.96 Add to Cart S&S Cycle | sku: 0904-0100 S&S Cycle 310-1223 - 129" Power Package Engine Performance Kit - Chain Drive - Oil Cooled - Highlighted Fins - M8 MSRP: $2,959.95 Was: Now: $2,663.96 Add to Cart
S&S Cycle | sku: 0904-0114 S&S Cycle 310-1227 - 129" Power Package Engine Performance Kit - Gear Drive - Oil Cooled - Highlighted Fins - M8 MSRP: $3,159.95 Was: Now: $2,843.96 Add to Cart S&S Cycle | sku: 0904-0101 S&S Cycle 310-1225 - 129" Power Package Engine Performance Kit - Chain Drive - Oil Cooled - Highlighted Fins - M8 MSRP: $2,959.95 Was: Now: $2,663.96 Add to Cart S&S Cycle | sku: 0904-0106 S&S Cycle 310-1226 - 129" Power Package Engine Performance Kit - Chain Drive - Oil Cooled - Non-Highlighted Fins - M8 MSRP: $2,959.95 Was: Now: $2,663.96 Add to Cart S&S Cycle | sku: 0904-0100 S&S Cycle 310-1223 - 129" Power Package Engine Performance Kit - Chain Drive - Oil Cooled - Highlighted Fins - M8 MSRP: $2,959.95 Was: Now: $2,663.96 Add to Cart
S&S Cycle | sku: 0904-0101 S&S Cycle 310-1225 - 129" Power Package Engine Performance Kit - Chain Drive - Oil Cooled - Highlighted Fins - M8 MSRP: $2,959.95 Was: Now: $2,663.96 Add to Cart S&S Cycle | sku: 0904-0106 S&S Cycle 310-1226 - 129" Power Package Engine Performance Kit - Chain Drive - Oil Cooled - Non-Highlighted Fins - M8 MSRP: $2,959.95 Was: Now: $2,663.96 Add to Cart S&S Cycle | sku: 0904-0100 S&S Cycle 310-1223 - 129" Power Package Engine Performance Kit - Chain Drive - Oil Cooled - Highlighted Fins - M8 MSRP: $2,959.95 Was: Now: $2,663.96 Add to Cart
S&S Cycle | sku: 0904-0106 S&S Cycle 310-1226 - 129" Power Package Engine Performance Kit - Chain Drive - Oil Cooled - Non-Highlighted Fins - M8 MSRP: $2,959.95 Was: Now: $2,663.96 Add to Cart S&S Cycle | sku: 0904-0100 S&S Cycle 310-1223 - 129" Power Package Engine Performance Kit - Chain Drive - Oil Cooled - Highlighted Fins - M8 MSRP: $2,959.95 Was: Now: $2,663.96 Add to Cart
S&S Cycle | sku: 0904-0100 S&S Cycle 310-1223 - 129" Power Package Engine Performance Kit - Chain Drive - Oil Cooled - Highlighted Fins - M8 MSRP: $2,959.95 Was: Now: $2,663.96 Add to Cart