Cylinder Head 1991-2004 Jeep Cherokee, Comanche, Grand Cherokee, Wrangler 4.0L Inline 6-Cylinder Engine Fits OE Cast Numbers 0331, 0630, 7120 Fully-Assembled Cast Iron

Valve Seat 1.650'' O.D. For 1.600'' Valve Sold Individually, 1/pkg.

Small Block Chevy 327-400ci S/R Torquer Cast Iron Cylinder Heads
Small Block Chevy S/R Torquer Cast Iron Cylinder Head 170cc Intake Ports 76cc Combustion Chambers 2.020'' Int/1.600'' Exh Valves 1.250'' Valve Springs, .560'' Max Lift for Hydraulic Cam Assembled, Sold Individually

Head Bolt Set Chevrolet/GMC 6.2L/ 6.5L Diesel 1982-2002 AM General 6.2L/ 6.5L Diesel 1994-2001 Hummer H1 6.5L 2002-04 Services one cylinder head only

Buick
Head Studs with Hex Nuts 1986-87 Buick Grand National and T-type

Dragon Slayer DS 320 Series Cylinder Heads
Dragon Slayer DS 320 Series Cylinder Head 320cc Rectangle Intake Ports 119cc Combustion Chambers 2.250" Intake / 1.880" Exhaust Valve Sizes Bare, 1/pkg.

Bare
Bare Aluminum Thumper Cylinder Head Small Block Ford Intake Ports: 185 cc Combustion Chamber: 60 cc For Intake Valve: 1.940 in. For Exhaust Valve: 1.550 in. Sold Individually

Small Block Chevy 305ci S/R Cast Iron Cylinder Heads
Small Block Chevy 305ci S/R Cast Iron Cylinder Head 170cc Intake Ports 58cc Combustion Chambers 1.940'' Int/1.500'' Exh Valves 1.250'' Valve Springs, .560'' Max Lift for Hydraulic Cam Assembled, Sold Individually

Head Changing Kit