LEGO MOC V8 piston engine (6x6x5 studs) by SUPER8_LTG | Rebrickable - Build with LEGO
BrickLink - Part 62531pb045R : LEGO Technic, Panel Curved 11 x 3 with 'DIRECT NjecT', 'V8', White and Black Checkered Stripe on Red Background Pattern Model Right Side (Sticker) - Sets 8041 /
LEGO Technic Hot Rod Powered by a V8 Engine and 3 More Geeky LEGO Creations - TechEBlog