The Sea-Doo Head Bolts Set 4TEC from SBT is a premium replacement stretch bolt kit designed for all Sea-Doo 4-stroke engines.SBT part number 75-112-03 replaces OEM part numbers 420641110 and 290641110 and includes a complete set of 8 Torx flanged stretch bolts (M11 x 147). These bolts are engineered to provide the correct torque and holding strength needed to maintain proper cylinder head sealing under demanding engine operating conditions.
Fits all Sea-Doo 4-stroke (4TEC) engines
SBT Part Number: 75-112-03
Replaces OEM 420641110 and 290641110
Includes 8 stretch bolts per kit
Torx flanged screw design
Bolt size: M11 x 147






