Sealed Power Speed-Pro H518CP 30 .030" Piston Set V8 454 7.4L GM Chevy 1981-90 Risers Also found on some 650

Also found on some 650 65hp 4cyl outboards (SN 2309311-2803561)

This is the 2nd iteration of this carburetor in the 4825249-5128279 serial number range

Fuel Pump Body: 377113

Also used with the remote Mercury Trim Pump units

I believe the decal set for this is technically 812776A1

Sealed Power Speed-Pro H518CP 30 .030" Piston Set V8 454 7.4L GM Chevy 1981-90 Risers Also found on some 650Part Number(s) Included Sealed Power Speed Pro (Federal Mogal) Pistons H518CP 30 (0. 030" Oversize) Piston & Pin Assembly (Set of 8 As Pictured) THESE ARE 0. 030" OVERSIZE PISTONS I'm assuming you have already done your research on these. All the details for the HP518CP piston are widely available online. Connecting Rods (also included as pictured) I am unsure if this are OEM GM or aftermarket. General Application Compatibility These would apply to