Home/Custom EFI Carb Replacement Systems Holley Sniper EFI Conversion, self tuning with handheld. Reg. $1743.89 NOW! $1,379.00 Holley Super Sniper EFI for boost / nitrous, self tuning with handheld, 650hp $2,035.43 Holley Super Sniper EFI for boost / nitrous, self tuning with handheld, 1250hp $2,544.65 Holley Sniper Xflow EFI Conversion, 800hp, self tuning with handheld. $2,120.99 Holley Sniper Xflow EFI Conversion, 1375hp, self tuning with handheld. $2,608.13 Holley Sniper Stealth 4500 EFI for boost / nitrous, self tuning, 1500hp $2,884.13 Holley Sniper Stealth EFI Conversion, self tuning with handheld. $1,875.35 Holley Super Sniper Stealth EFI for boost / nitrous, self tuning, 650hp $2,201.03 Holley Super Sniper Stealth EFI for boost / nitrous, self tuning, 1250hp $2,690.93 Don’t see what you are looking for? Give us a call or send an email. We sell thousands of additional parts not listed on the website.