Cylinder Heads

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 Gen V LT1 Severe Duty Stainless 8mm x 2.120 Intake Valves 12352-8 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 LS3/LS92/LS99 Severe Duty Stainless 8mm x 1.590 Exhaust Valves 11661-8 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 Gen V 6.2L LT1 Race Series Stainless 8mm x 1.590 Exhaust Valves 12345-8 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 Extreme Duty Stainless 8mm x 1.615 LS7 Exhaust Valves 11687-8 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 LS7 Severe Duty Stainless Hollow Stem 8mm x 2.205 Intake Valves 11688H-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...

Manley LS7 Severe Duty Stainless 8mm x 2.205 Intake Valves 11688-8 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...