Cylinder Head Stud Kit A-Series Engine Improved / Uprated. C-AHT280
Cylinder Head Stud Kit A-Series Engine Improved / Uprated. C-AHT280
N24 Nickel Chrome Moly Steel studs,
Competition head stud kit (11 studs, nuts & washers.) 4 long and 7 short.
This special kit was developed to replace the increasingly inconsistent standard items.
The studs are manufactured in selected hi-grade steel and produced to exacting specifications.
These studs do not stretch, so they pull the head down, not the thread up, this vastly increases head gasket life, even on high compression engines.
Special thick washers, countersunk on one side, help clamping capability and reduce thread bottoming of the nuts.
Note that even replacing the head bolt with a stud, only torque that stud to the factory recommended spec (25 ft/lbs), the other studs can be torqued to 65ft/lbs with oil, 55ft/lbs with ARP lube.
The A Series Engine with 848, 948, 998, 1098 and 1275cc engines
As commonly used on the following vehicle types :
Mini
MG Midget
Healey Sprite
Morris Minor
Austin 1100 & 1300
Morris Marina
Allegro etc
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A-Series Valve Springs .515" Lift. Fits All A-Series Engines C-AEA526
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