Triumph Unit 750 top end gasket kit 1973-1980

This kit is designed to service the top end on 1973-1980 Unit 750 engines with dowel pins in head,and 6 bolt inspection caps. This gasket set has been carefully manufactured with the highest quality materials and technology currently available. 

 Triumph Unit 750 1973-1980 TOP END GASKET KIT

1 AFM 650 base gasket            ( 70-6309 or E3609 )

2 AFM rocker box gaskets        ( 70-2599 or E2599 )

2 AFM Rocker box cover gasket  (71-3673 or E13673)

4 Viton pushrod tube O Rings   ( 71-1283 or E11283 )

2 .095” thick Pushrod tube seals (70-3547 or E3547)

2 .125” thick Pushrod tube seals (70-4752 or E4752)

4 3/8” I.D. Copper washers 70-1335 or E1335) 

2 Rocker shaft O rings (70-3253 or E3253)

4 square shouldered pushrod tube seals are provided, only 2 are necessary. Please use whichever size combination works best for your application.

This gasket set does NOT include a head gasket or intake manifold gaskets, you can add one in the menu above if necessary. The T140 & TR7V can use either a composite or solid copper head gasket. You can add one in the drop down menu if needed.

These gaskets were proudly manufactured in the USA, with materials from the USA by Cleveland Gasket®. These are aluminum core with a nitrile rubber bonded to both sides. This AFM gasket material has excellent temperature resistance, torque retention, and compression.

No sealant of any type is needed, and due to the high rate of recovery when disassembled, in most cases the gaskets can be reused. There will be no pink, green, or blue gasket material hanging over the edge of your rocker box. There will be no drama or discussion about which sealant to use and how to apply it. 

These AFM rocker box gaskets are .032" thick replace Triumph part # 70-2599 or E2599, the AFM base gasket replaces Triumph part # 70-6309 or E6309, and the optional head gaskets are part numbers 71-3681 (copper) and 71-4619 (composite).