Big Block Chevy
Head Studs w/12-Point Nuts Big Block Chevy, Dart Big Chief

VW 1.8L turbo 20V M11 wit

Rectangle Port 355 cc
Big Block Chevy Pro 1 Assembled Cylinder Head CNC Ported Head Valves: 2.300" Int/1.880" Exh Dual Valve Springs: 1.625"

Competition Package Race Ready CNC Porting Eliminator Heads
220cc Eliminator Race Aluminum Cylinder Heads SB-Chevy Competition Package Race Ready CNC Porting 75cc Combustion Chambers Standard Exhaust Port Configuration Angle Spark Plug Assembled Sold in Pairs, 2/pkg.

Emissions Legal Renegade Cylinder Heads
195 cc Renegade Street/Strip Aluminum Cylinder Heads Small Block Ford 72 cc Combustion Chambers 3/8'' Rocker Arm Studs CARB EO #250-3 Sold as a Pair

LS Cylinder Head
LS Cylinder Head 259cc Intake Ports (LS3-style Rectangle Port) 72cc Combustion Chambers 2.165'' Intake / 1.600'' Exhaust Valves 1.295'' Dia. Springs - 130# Seat Pressure 7° Steel Retainers Assembled, Sold Individually

Big Block Chevy Merlin III Cast Iron Rectangular-Port Cylinder Heads
Big Block Chevy Merlin III Cast Iron Cylinder Head 345cc Rectangular Intake Ports 119cc Combustion Chambers Cut for 2.300'' Int/1.880'' Exh Valves Bare Head, Sold Individually

Toyota
Professional Series Head Bolt Kit Toyota 2.8L & 3.0L Inline 6 (1981-92) Supra 12-Point Head

HEAD BOLT SET; 1997 CHR V6 201CI 3.3L OHV 12 Valve; 2003-1997 DT L/D V6 201CI 3.3L OHV 12 Valve; 2003-1997 DT L/D V6 231CI 3.8L OHV 12 Valve