BluePrint Engines Chev 400 , 508HP Dressed Long Block Crate Engine # BP4002CTC1 Cylinder Head valve springs

valve springs

These valves are often referred to as idle air control or IAC valves (GM)

Professional Products PowerForce harmonic dampers are not only affordable

Reduced travel OEM type lifter

LeMans: 1976

BluePrint Engines Chev 400 , 508HP Dressed Long Block Crate Engine # BP4002CTC1 Cylinder Head valve springsBluePrint Engines Chev 400 , 508HP Dressed Long Block Crate Engine # BP4002CTC1 HP Torque: 508 HP 473 FT LBSCompression Ratio: 10. 3: 1Aluminum HeadsHydraulic Roller CamForged CrankForged Pistons BLOCK: NEW BluePrint Cast Iron BlockManufactured and Machined in the USA! 4 Bolt Main4. 125" Bore1 Piece Rear Main SealMech fuel pump provision: YesPassenger Side Dipstick Drilled and tapped for clutch linkage ROTATING ASSEMBLY: New BluePrint Forged