Chevrolet Performance LS 6.0L Bare Engine Block LQ4 / LQ9 # 12733807 Cylinder Head have the bolt holes punched

have the bolt holes punched

AUTOMETER BOOST/VACUUM GAUGE ELECTRIC 2

LS Swap Oil Pan

scuff-free finish

and the calibration stays unchanged

Chevrolet Performance LS 6.0L Bare Engine Block LQ4 / LQ9 # 12733807 Cylinder Head have the bolt holes punchedChevrolet Performance LS 6. 0L Bare Engine Block LQ4 LQ9 Non AFM # 12733807 Part Type Engines, Bare Blocks Product Line GM Performance LS Bare Engine Blocks Main Journal Type Chevy LS Engine Block Material Cast iron Engine Block Style OEM Engine Block Deck Height Standard deck Deck Height (in.) 9. 240 in. Cylinder Bore as Shipped 4. 002 in. Maximum Bore Diameter (in.) 4. 030 Camshaft Location Standard Engine Block Weight (lbs.) 215 lbs. Main Bolt