Cylinder Head Accessories

LSXceleration OE Replacemant Head Bolts for GM LS '97-'03 (Like GM # 12498545) 2 bolt kits needed per engine (1 Bolt kit does 1 cylinder head).

ARP 8740 Pro Series GM LT1/LT4 Rocker Arm Studs 234-7208 ARP Pro Series Rocker Arm Studs are made from 8740 (190,000 psi tensile strength) material. They are held to a concentric tolerance of only .005" T.I.R. from thread pitch to thread pitch. These...

ARP GM LS Rocker Arm Studs 234-7207 (5/16") (Excludes LS7) ARP Pro Series Rocker Arm Studs are made from 8740 (190,000 psi tensile strength) material. They are held to a concentric tolerance of only .005" T.I.R. from thread pitch to thread pitch. These...

ARP 2000 Pro Series GM LT1/LT4 Head Stud Kit 234-4343 - 12-Point (With M8 Corner Bolts) 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...

ARP 2000 Pro Series GM LT1/LT4 Head Stud Kit 234-4342 - 12-Point (Without M8 Corner Bolts) 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...

ARP 2000 Pro Series GM LSA Head Stud Kit 234-4346 - 12-Point These ARP Pro Series Head Bolts are made of 2000 (210,000 psi tensile strength) material and utilize a 12-point head. They are cold-forged and heat treated prior to thread rolling and...

ARP 2000 Pro Series GM LS Head Stud Kit 234-4345 - 2004-Up, 12-Point These ARP Pro Series Head Bolts are made of 2000 (210,000 psi tensile strength) material and utilize a 12-point head. They are cold-forged and heat treated prior to thread rolling...

ARP 2000 Pro Series GM LS1 Head Stud Kit 234-4344 - 12-Point These ARP Pro Series Head Bolts are made of 2000 (210,000 psi tensile strength) material and utilize a 12-point nut. They are cold-forged and heat treated prior to thread rolling and...

ARP 8740 Pro Series (DART LS Next Iron Block w/23 Bolt Head) Head Stud Kit 234-4341 - 12-Point 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 (DART LS Next Iron Block w/15 Bolt Head) Head Stud Kit 234-4340 - 12-Point 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 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 RHS Head Stud Kit 234-4339 - 12-Point (RHS Block w/ RHS LS7 Heads) 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 treated prior...