670HP Potential Bare LS3 Cylinder Heads – Detroit Racing Products (DRP)
LS2/LS3/L92 style rectangle port cylinder heads, 4 bolt, factory 15° valve angle. Bare castings for a full custom rebuild – choose your own valves, springs and retainers.
Material: Hard 356 Aluminium, race quality
Intake Port Volume: 264cc
Exhaust Port Volume: 86cc
Chamber Size: 66-68cc (depending on valve dish)
Valve Seats: 3-angle
Guides: Bronze
Min Bore Dia: 4.000" (LS2/6.0L bore)
Intake/Exhaust Port Location: Stock – factory manifold and exhaust fit
Sold as: Pair (2 bare cylinder heads)
Flow @ 28" (4.000" bore): up to 325 CFM intake / 212 CFM exhaust at 0.750" lift – supports up to ~670HP potential depending on the rest of the combo.
