5150 AutoSport Factory+ Rebuild Kit, BMW M20

You love your naturally aspirated BMW. You know you could add more power with a turbo conversion, but you already love the way it sounds, feels, and drives. Many customers aren't interested in the extra wear and tear of forced induction, power lags, or a crowded engine bay.

For the classic BMW M20 enthusiast interested in rebuilding their engine with bulletproof internals, we’re introducing the 5150 Factory+ Kit. A carefully curated, budget-friendly option for those looking to rebuild their Naturally Aspirated engine for years of reliable performance and spirited driving.

This kit includes everything you need to refresh and bulletproof your rotating assembly, and features the best components on the market for modest NA upgrades:

• ARP2000 Head Stud Kit
• Cometic Multi-Layer Steel Head Gasket
• CP-Carrillo Forged Piston Set, 84mm Bore, 9:1 CR
• 135mm Manley Performance Connecting Rod Set OR 130mm SP Components Connecting Rod Set
  • ARP Connecting Rod Bolts
• 5150 AutoSport High Performance Main Bearing Set
• ARP Main Stud Kit

Ideal for both resto-modders interested in extending the life of their engine and road racers who push their NA motors to the upper limits on track.

Please note: All engine modifications should be performed by a qualified professional to ensure a proper and safe installation process and a reliable, optimally performing engine.