S&S Cycle Big Bore Kit 90.00 Mm 865 Cc Royal Enfield 650 Twin - 920-0145 Brand Stepped headers 1-3/4" to 1-7/8"

Stepped headers 1-3/4" to 1-7/8" designed for maximum performance

Note: Standard bolt pattern

Hydraulic clutch line must be purchased separately

• 48x 1/4" caps

Road Glide '08-'21

S&S Cycle Big Bore Kit 90.00 Mm 865 Cc Royal Enfield 650 Twin - 920-0145 Brand Stepped headers 1-3/4" to 1-7/8"Features Complete kits include cylinder sleeves, pistons and head gasket 750cc kit increase bore and stroke to 83. 5mm x 67. 8mm (stock is 78 mm x 67. 8 mm) 865cc Increases bore and stroke to 90 mm x 67. 8 mm (stock is 78 mm x 67. 8 mm) Both kits increase compression ration to 11. 0: 1 (stock is 9. 5: 1) Made in the U. S. A. FOR CLOSED COURSE COMPETITION USE ONLY. NOT INTENDED FOR STREET USE. LEGAL IN CALIFORNIA ONLY FOR RACING VEHICLES WHICH MAY