Mini V8 Engine Model Kit That Works, MAD RC Simulation Dynamic IC Engine Model DIY Assembly for AX90104 SCX10Ⅱ Capra VS4-10 Pro/Ultra Model Car

Wouldnt waste your money, nothing fits correctly and just plain difficult to build.

Look at Revells working V8 all working internals, pistons etc. Clear block so u can see everything. 60 bucks