They are designed to replace BMW part #11241307653 and #11241304088 in the BMW S38B35 and S38B36 engines with a 144mm length

and a Racetech FIA-approved Pro International 6-point harness—giving you everything required for a secure

V-band inlet: 92mm (GTX30/35 = 76mm)

Available in matched and balanced sets of 8

with cylinders arranged in two banks that are parallel to the ground

BMW S14 400 Series NA Power Pack SUP-HPVK They are designed to replaceThe 400 Series Power Pack is the one click forged internals kit for naturally aspirated BMW S14B23 engines, delivering modern performance for this legendary engine. Designed for enthusiasts aiming for 400HP, this kit is a major upgrade over aging OEM components, offering improved strength, durability, and reliability. Featuring Arias Forged Pistons (94mm bore, 11: 1 compression) and SP Components Connecting Rods, this kit is built for high revving,