The P/N 300-608 & 300-608BK Ultra Lo-Ram billet burst panel ducts are designedto complement the Holley LS Ultra Lo-Ram EFI intake manifold kits. The Ultra Lo-Ram kits are intended for boosted engine applications where the requirement of an intake manifold plenum burst panel may be recommended to protect the engine from an intake plenum backfire. The 300-608 & 300-608BK Ultra Lo-Ram billet burst panel ducts are made for a standard "large" 6-1/8" x 3-1/8" burst panel. SFIApproved Burst panels, burst panel frame sets, gaskets or specialty fasteners may be purchased separately.

P/N 300-608 has a clear anodized finish and P/N 300-608BK has a black anodized finish. Mounting fasteners are included in the kit.

• LS Lo-Ram billet burst panel duct is designed for LS Ultra Lo-Ram plenum tops with the machined-in burst panel flange
• This burst panel duct is made for a standard "large" 6-1/8" x 3-1/8" burst panel (SFI approved burst panels or specialty fasteners can be purchased separatley
• The LS Lo-Ram billet burst panel ductis designed to direct the products of an intake manifoldplenum backfire and burst to the outside of the vehicle bodywork
• This burst panel duct could be used on any intake manifold plenum fitted with a standard "large" 6-1/8" x 3-1/8" burst panel flange
• The 6061-T6 billet aluminium duct is available in a clear or black anodized finish
• 18-8 stainless steel mounting fasteners are included in the LS Ultra Lo-Ram billet burst panel duct kits