4 Ways to Spruce Up Your "Fake" Technic Engines - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums
Genuine Lego Technic V8 engine with manual rotation function VGC in gift box | eBay
Lego Technic V8 Engine Kit | V8 Engine Constructor | Bricks Components Toy - 1 Set V8 - Aliexpress
LEGO IDEAS - V8 Engine (Supercharged)
Lego 853 MOD/MOC - The V8 engine MOC of fgee from rebrickable (Link in the comment) : r/legotechnic
PEXL Technic Power Functions Motor Set, V12 Motor with 6-Gears Gearbox, 516 Pieces Blocks Building Set - Compatible with Lego Technic : Amazon.co.uk: Toys & Games