These bolts are used to attach the flywheel to the crankshaft. I have a 74 Jeep CJ 5 that I am rebuilding and have decided to replace the factory flywheel bolts after removing the flywheel for grinding. The final torque specification is 100-110 ft-lbs, which is achieved by tightening the sample over three incremental passes. The heads of these bolts only accept about 70 ft-lb of torque before they begin to fail due to rounding. The screw heads are very thin to begin with, so there are actually very few screw heads in the socket and they are made of some sort of "hardened alloy". Wrong type I might add. I used a hex head, which provides the most contact with the bolt head and has the least chance of rounding the bolt head. These are half inch screws and should be strong enough for the recommended torque. You are not. I reused the original all-steel bolts at 105 ft-lbs of torque with no problems. The weight of these bolts compared to the originals shows that they are not nearly as strong. This will be my first and probably last experience with Mr Gasket products. Half-inch flywheel bolts are hard to come by these days, but you can always buy eight half-inch bolts of the length you want and grind the bolt heads to match the stocks if clearance requires it. I should also add that these bolts are too long, about a quarter inch or more, and after passing through the flywheel, had maybe a thousandth or two of clearance to touch the engine block. I would have to sand about an eighth of an inch length for them to work. They are incorrectly listed as suitable for my 4.2 liter inline 6 engine. Do not buy for this app.
4X4 Posi Lok PSL900 Axle Disconnect
8 Review
FRAM FT1223A Transmission Filter Kit
8 Review
π Enhance Your Driving Experience with Trans-Dapt 9630 Floor Shifter Boot
8 Review
420 Standard Roller Chain 132 Link For 110Cc 125Cc Dirt Pit Bike ATV Quad Go Kart Scooter Mini Bike + CNCMOTOK 420 Motorcycle Chain Breaker
23 Review
ARANA C16-08568 20" Gas Lift Struts - Perfect For Trucks, RVs, And Boats - 20 Lbs Capacity - 2Pcs Set
15 Review
MICHELIN Energy XM2+ 175/70 R13 82T summer
29 Review
2 Vepagoo 10In 13Lb/58N Gas Shock Spring Strut Lift Support For Cabinet Door Truck Tool Toy Box Lid - C16-03213
13 Review
MICHELIN Energy XM2+ 185/65 R15 88H summer
29 Review