Cylinder Heads

ARP 2000 Pro Series GM LSX/RHS Head Stud Kit 234-4319 - 12-Point These ARP Pro Series Head Bolts are made of 2000 (220,000 psi tensile strength) material and utilize a 12-point head. They are cold-forged and heat treated prior to thread rolling and...

ARP 8740 Pro Series GM LS Head Stud Kit 234-4317 - 2004-Up, 12-Point These ARP Pro Series Head Bolts are made of 8740 (190,000 psi tensile strength) material and utilize a 12-point head. They are cold-forged and heat treated prior to thread rolling...

ARP 8740 Pro Series GM LS1 Head Stud Kit 234-4316 - 1997-2003, 12-Point These ARP Pro Series Head Bolts are made of 8740 (190,000 psi tensile strength) material and utilize a 12-point head. They are cold-forged and heat treated prior to thread...

ARP 8740 Pro Series GM LS1 Head Bolt Kit 234-4110 - Hex (1997-2003) These ARP Pro Series Head Bolts are made of 8740 (190,000 psi tensile strength) material and utilize a hex head. They are cold-forged and heat treated prior to thread rolling and...

ARP 2000 Pro Series 6.2L LS9 Head Bolt Kit 230-3701 - 12-Point These ARP Pro Series Head Bolts are made of 2000 (220,000 psi tensile strength) material and utilize a 12-point head. They are cold-forged and heat treated prior to thread rolling and...

ARP 8740 Pro Series Motown LS Head Bolt Kit 134-3611 - Hex (Motown LS Iron Block w/ LS Series Heads) These ARP Pro Series Head Bolts are made of 8740 (190,000 psi tensile strength) material and utilize a hex head. They are cold-forged and heat...

ARP Hex Head, 8740, Pro Series LS1 Head Bolt Kit 134-3609 - 1997-2003 W/ 2 Primary Bolt Lengths These ARP Pro Series Head Bolts are made of 8740 (190,000 psi tensile strength) material and utilize a hex head. They are cold-forged and heat treated...

ARP Hex Head, 8740, Pro Series LS Head Bolt Kit 134-3610 - 2004 & Up Except LS9 (Same Primary Bolt Length) These ARP Pro Series Head Bolts are made of 8740 (190,000 psi tensile strength) material and utilize a hex head. They are cold-forged and...

Manley LS1/LS2/LS6 Severe Duty Stainless Hollow Stem 8mm x 2.055 Intake Valves 11680H-8 Manley is known as one of the leading manufacturers of Racing Valves in the world. Manley Racer Series Stainless Steel Valves were engineered for Street Performance...

Manley LS1/LS2/LS6 Severe Duty Stainless 8mm x 2.055 Intake Valves 11680-8 Manley is known as one of the leading manufacturers of Racing Valves in the world. Manley Racer Series Stainless Steel Valves were engineered for Street Performance and Racing...

Manley LS1/LS2/LS6 Race Series Stainless Hollow Stem 8mm x 2.055 Intake Valves 11390H-8 Manley is known as one of the leading manufacturers of Racing Valves in the world. Manley Racer Series Stainless Steel Valves were engineered for Street Performance...

Manley LS1/LS2/LS6 Race Series Stainless 8mm x 2.055 Intake Valves 11390-8 Manley is known as one of the leading manufacturers of Racing Valves in the world. Manley Racer Series Stainless Steel Valves were engineered for Street Performance and Racing...