ARP SBC LS 03 & Earlier Hex Head Bolt Kit

ARP SBC LS 03 & Earlier Hex Head Bolt Kit

The SBC LS 03 & earlier hex head bolt kit provides premium, high-strength fastening necessary to secure your cylinder heads under demanding performance conditions. Engineered by ARP for exceptional reliability, this heavy-duty fastener kit prevents head gasket failure and ensures a reliable seal on early LS platform engines.

Key Features

• High tensile strength construction for maximum clamping force
• Premium quality alloy steel with a durable finish
• Traditional hex head design for standard wrenching application
• Complete kit engineered specifically for early-style blocks

Fitment

• Small Block Chevy LS series V8 engines manufactured in 2003 and earlier
• Compatible with engine blocks requiring unequal-length head fasteners

Note: Please verify your engine block year and specific bolt lengths before ordering, as mid-2003 and later blocks transitioned to equal-length head bolt designs.