PPM BMW S65B40 M3 V8 4.6-4.8L Stroker Kit

PPM BMW S65B40 M3 V8 4.6-4.8L Stroker Kit is supplied by PPM Racing / Pure Performance Motorsport.

Supplier information

PPM S65B40 rotating assembly combining forged pistons, 300M I-beam rods and a billet 4340 crankshaft for 4.6-4.8L builds.

Key specifications

• 86 mm-stroke billet 4340 crankshaft
• 8 forged pistons with rings, pins and locks
• 8 I-beam connecting rods with ARP2000 bolts
• ACL Race Series connecting-rod bearings
• PPM lists 10:1 or 12:1 compression options and 92-94 mm piston sizes.

Ordering notes

PPM lists final piston size and compression choice as build specifications rather than priced storefront variants; confirm the required specification at order.

Confirm final engine specification, bore, clearances and supporting hardware before assembly. Professional engine building and measurement are recommended for high-performance applications.