Cylinder Head Accessories

Manley LS1/LS2/LS6 Race Series Stainless 8mm x 2.080 Intake Valves 11398-8 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 8mm x 2.100 Intake Valves 11350-8 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 Race Series Stainless Hollow Stem 8mm x 2.165 Intake Valves 11620H-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 Severe Duty 8mm x 1.560 L83 5.3L Exhaust Valves Stainless 12361-8 The Severe Duty® series of valves is the Manley signature in the performance and racing industry. Exhaust material XH-428 and intake material NK-844 is offered by no competitor...

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 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...

Manley Titanium 8mm x 2.205 LS7 Intake Valves These valves have an inserted hard tip except P/N 11958BC-8 These valves have an O.E. style single radius keeper groove. “C” suffix indicates CrN seat coating Use Manley valve lock P/N...

Manley Titanium 8mm x 2.205 LS7 Intake Valves w/ CrN Seat Coating These valves have an inserted hard tip except P/N 11958BC-8 These valves have an O.E. style single radius keeper groove. “C” suffix indicates CrN seat coating Use Manley...

Point One P1 LSX 6-Bolt Head Stud Kit K003-H23S, 12-Point These fit GM LSX blocks with 6-bolt heads. Point One S220 Head Studs boast a 220,000psi nominal tensile strength, crafted from premium-quality steel from US mills. All fasteners are individually...

ARP 8740 Pro Series (Warhawk Block w/ GM LS Heads) Head Stud Kit 134-4701 - 12-Point, Undercut Studs These ARP Pro Series Head Bolts are made of 8740 (190,000 psi tensile strength) material and utilize a 12-point nut. They are cold-forged and heat...

ARP 8740 Pro Series (Warhawk Alum Block w/ Warhawk 12 Degree Heads) Head Stud Kit 134-4702 - 12-Point, Undercut Studs These ARP Pro Series Head Bolts are made of 8740 (190,000 psi tensile strength) material and utilize a 12-point nut. They are...