ARP 8740 1/2" Head Stud Kit - 2003+ LS 427 LS 0L blocks open up more

0L blocks open up more options for better flowing cylinder heads

Need a stronger fastener

Buy it for yourself or as a lovely gift for your friends and family

107 LSA) this combination made 496HP/479TQ and with the upgrade to the FED Boostline Cylinder Heads made over 500HP

Don't settle for a junkyard ECU with a cumbersome tuning interface when you can have complete control of your engine

ARP 8740 1/2" Head Stud Kit - 2003+ LS 427 LS 0L blocks open up moreBoostline Performance in combination with ARP Fasteners has put together an affordable 1 2" head stud set for 03+ Gen III and Gen IV LS engines! These 1 2" Studs are made from ARP 8740 material, adding additional clamping force and head gasket stability for boosted applications on stock blocks. Any Boostline Engine package can be drilled and tapped for this 1 2"stud option! Or you can do it yourself by drilling tapping Tick Performance drilling