WEAPON-X: LT1 LT4 LT5 Forged Short Block 378 to 454 Cubic Inch (Optional Sleeving) cover please visit our FAQ page

please visit our FAQ page

2 to 3 years

When the signal is supplied

Indy Car Racing

WEAPON-X SuperFlow-1 Carbon Intake:  Our wildly popular stage 1 intake picks up nearly 35 HP without a tune and the carbon fiber air bridge also dresses up the engine bay

WEAPON-X: LT1 LT4 LT5 Forged Short Block 378 to 454 Cubic Inch (Optional Sleeving) cover please visit our FAQ pageHere's your chance to drop in one of the race prepped engines we use on our builds at WEAPON X Motorsports! These built motors have been proven to handle 1,400 WHEEL HP to date and we're going to be raising that bar with our shop ZL1! The sky is the limit with your options here, but we'll dive right in. All blocks come with Celvite bearings, ARP main studs, and are machined and honed to ensure perfection. Internals: Below are are standard options;