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VALVE GUIDE SET BRONZE TR2-4
Part No:
RTR1015
Price
£101.57
Price Ex VAT @ 20%
£84.64
CURRENTLY UNAVAILABLE
TR2-4 (up to commission number CT27410) Bronze Valve Guide set of 8 guides; four standard 5/16" inlet valve stem size and four standard 3/8" exhaust valve stem size.
The Inlet Valve Guide suits a shaft diameter of 5/16" (7.94mm), the guide has an outside diameter of 0.5025" (12.76mm). The guide is 2.0625" long
The Exhaust Valve Guide suits a shaft diameter of 3/8" (9.53mm), the guide has an outside diameter of 17/32" (13.49mm). The guide is 2.0625" long
When an exhaust valve with a 5/16" stem is to be fitted a special guide is required with an internal diameter of 5/16" and an outside diameter of 17/32". Order set RTR1049.
Note that valve guides are supplied with the I/D approximately 0.003" undersize so that once fitted they are honed out to be a perfect fit to the valve stem. Likewise the O/D is 0.003" oversize to ensure an interference fit in the cylinder head
For reference a TR4A head has guides to suit 5/16" valves with an outside diameter of 0.5025" (12.76mm) in all 8 locations.
The Exhaust Valve Guide suits a shaft diameter of 3/8" (9.53mm), the guide has an outside diameter of 17/32" (13.49mm). The guide is 2.0625" long
When an exhaust valve with a 5/16" stem is to be fitted a special guide is required with an internal diameter of 5/16" and an outside diameter of 17/32". Order set RTR1049.
Note that valve guides are supplied with the I/D approximately 0.003" undersize so that once fitted they are honed out to be a perfect fit to the valve stem. Likewise the O/D is 0.003" oversize to ensure an interference fit in the cylinder head
For reference a TR4A head has guides to suit 5/16" valves with an outside diameter of 0.5025" (12.76mm) in all 8 locations.