2005 Mercury Racing 2.5L SS S3000 Drag Powerhead
2005 Mercury Racing 2.5L V6 SS S3000 Drag Powerhead
MFG Date - 9/22/2004
0T998373 1925700CH HIGH PERFORMANC 2.5 EFI RACE-DRAG
2.5 Engine Hours (Dyno and exhibition lake running)
Fully Dressed with ECU (Avail with Either SVS or Air Horn)
Professionally Sleeved with Closed Deck Inserts /Ported and Polished
Mercury Single Ring Pistons / Mercury Racing HD Chatfield Cut Rods
Welded Plate on Port Side of Motor for Porting and polishing access
36cc Gasketed Cylinder Heads
>140 psi on all 6 cylinders
<2% Leakdown on all cylinders
SR4 CHAMP AIRHORN Dressed - 351 HP , 8600 RPM Revlimiter
SR5 DRAG SVS Dressed - 374 HP, 9600 RPM Revlimiter
SR5 DRAG Race Gas/High Compression Heads - 391 HP
*90 Day Warranty Avail with Speedmaster Marine Install & Premium Club Membership*