S54 Connecting Rod Bolts

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S54 connecting rod bolts.

The mighty and powerful bmw s54 has an achilles heel it s rod bearings. 264 kits found for rod bolts. These two bolts are all that prevent the crankshaft from yanking the cap off the end of the connecting rod dozens of times a second. These bolts are subjected to complex nature of stress as follows.

S54 inline 6 m11 47mm uhl arp2000. The new bolts installed in these earlier engines are m10 size. S54 engines after 02 2003 production and later use the m10 bolts. Acura nsx 3 0l m9.

Connecting rod bottom end bolts keep the two halves of the bottom end bearing together. S54 engines manufactured prior to 2003 come with larger rod bolt that are not supposed to be replaced according to bmw tis. As great and powerful as bmw made the s54 engine they left it lacking in a critical area it s rod bearing reliability. Sps technologies fasteners are designed to.

It is estimated that 90 of all fastener failures in motorsports are fatigue related. For connecting rod bolts with the tensile strength to withstand the heat and pressure of competition or for connecting rod bolts that match your reliable factory originals turn to the tremendous selection at. Bmw 2 8l m52euro 3 0l s50us 3 2l s52us inline 6 m9 44mm. However most s54 engines up to that point had their rod bearings replaced under a factory recall and some may have had new connecting rods installed at the same time or even a new engine altogether.

M11 x 1 25 connecting rod bolts a will be reused with the new bearings. Tightening of nuts stretches the bolts and subjects them to tensile stress which helps keep the two components together under tension compression. The m11 bolt size was used in s54 engines up to 2 2003 production. Didn t find the kit you were looking for.

On the early engines we prefer to use arp fasteners because we don t know the condition of the stock rod bolt. On the newer 2003 engines. The later engines use a rod bolt that is smaller torx head and is one time use. Bmw 2 3l s14 m11 43mm uhl.

Material specialist forging precision production craftsman design engineers and engine specialists each contribute know how and artistry. Made by arp the world leader in fastener technology. On vehicles produced from 12 13 2002 the new design m10 x 1 25 connecting rod bolts b have to be replaced with the new connecting rod bearings. The world including connecting rod bolts and engine transmission and chassis fasteners for formula one nascar winston cup indycar cart nhra busch grand national series craftsman truck series and asa.

The best rod bolts available for the euro s50 and s54. The m10 x 1 25 bolts have to be ordered separately p n 11 24 7 834 310 12 bolts per vehicle. Ideal for ultra high performance racing forced induction applications.