Engine Long Block; LS/LM7 347CI 500HP Base

Spartan Engine Long Block; LS/LM7 347CI 500HP Base







This is an LM7 (Iron LS1/LS6) based engine with CNC Ported Cathedral Port Aluminum heads producing a very streetable 500HP+. Expect big mid to upper end power, will have a noticeable idle. Product Features:Product might not be available in all states due to local laws.