The Ultimate Solution to Increasing Your S58's Capabilities!
The Ultimate Solution to Increasing Your S58's Capabilities!
Complete cylinder head with guides, seats, valves, & springs
Replace those Worn Out Main Bearings!
Standard Size
Safety-wired nut to alleviate the nut backing off, leaving you with no oil pressure
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
06-13-2026
Upgrade your S55 Engine with this all Inclusive 1000hp Capable Kit from 5150!
Pair Your High Performance Valves with a Set of Upgraded Springs and Retainers!
Includes upper and lower bearing shells for a complete main bearing replacement.
The strongest and smoothest bearings for your BMW, featuring heavy-duty ACL "Duraglide" bearing shells treated by WPC for reduced friction and enhanced durability.
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
06-13-2026
Upgrade to CP-Carrillo Connecting Rods in Your S54-Powered BMW
Upgrade to CP-Carrillo's Forged Pistons in Your S54 Powered BMW!
Supertech 84mm 2618 forged pistons
This product was last offered at the strikethrough price on
05-20-2026
Put an end to your S55 crank hub woes once and for all
King Rod Bearings Std. Size
Supertech forged 4340 alloy H-beam connecting rods with ARP2000 3/8" bolts
Forged Chromoly with Diamond Like Carbon Coating built for superior wear resistance at the same weight as OE.
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
06-13-2026
Everything you will need to do a head service on your BMW, plus a new thermostat, thermostat housing, a magnetic drain plug, a camshaft position sensor, spark plugs, and ignition coils
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
04-06-2026