STM Evo 4-9 4G63 Short Block Core Option::Build with a new OEM Evo 9 Block (4) Piston

(4) Piston

(1) 15" 5mm Silicone Vacuum Line

Includes six 15mm bolts

• Sprung Hub Steel-Backed Organic Lined Disc

STM Evo 4-9 4G63 Short Block Core Option::Build with a new OEM Evo 9 Block (4) PistonThe STM Built 2. 0L Short Block is track and dyno tested to 10,000 RPM and 1000+ HP. This block will come standard with the STM Custom, Gas Ported Pistons and your choice of aluminum rods or steel rods. You can ship us your GOOD used engine block and crank to be rebuilt or we can build the engine using a brand new OEM Evo 8 or 9 core. If you have an Evo 9, you can use the Evo 8 block with your 9 head, you'll just need a MIVEC Conversion Kit. STM