New for the 2013 racing season is the Ford Racing D347SR7 Engine. With lightweight 7MM valves, the D347SR7 features all of the latest developments and improvements from Ford Racing testing along with feedback from racers and engine builders coast to coast. These include parts to let the engine run at higher RPM for long periods without power loss. Improvements in machining minimize the power gains from blueprinting. The D347SR7 includes the following parts and machining improvements vs. the standard D347SR:
7mm lightweight intake and exhaust valves
Hardened Steel Lifter pushrod cups
Block honed with deck plates

D347SR7 Features
347 cubic inches - 4.030-in bore - 3.400-in. stroke
BOSS 302 race block – M-6010-BOSS302
415 hp @ 6000 rpm 400 lb-ft @ 4900 rpm (with headers, and a 650 CFM Holley carburetor not included)
10:1 Compression ratio (nominal)
SCAT forged crankshaft
SCAT forged steel cap screw connecting rods
Mahle forged pistons with floating pins
Hydraulic roller camshaft M-6250-F303, .528-in lift intake and exhaust, duration at .050 is 226 degrees intake and exhaust
PAC 1218 ovate beehive valve springs
Double roller timing chain set M-6268-A302
High-performance 7 quart rear sump circle track oil pan
Ford Racing aluminum Z cylinder heads M-6049-Z304DA7 with 2.02-in intake valves and 1.60" exhaust valves
1.65 ratio roller rocker arms
Edelbrock Victor Jr. intake manifold M-9424-D302
Edelbrock Water Pump
SFI approved vibration damper • MSD billet distributor
ARP Head Studs
Ford Racing polished aluminum Circle Track valve covers M-6582-CT
High volume oil pump
Engine is sealed for circle track competition where rules allow
Engine weight as equipped is 431 lbs. (includes 7 quarts of oil)
Additional technical information can be found at www. fordracingparts.com/circletrack
Competes directly with the GMPP "604" crate engine.
Engine is internally balanced, zero balance flywheel required
Depending on your application, a different timing cover, water pump, performance oil pan and pickup may be required. See installation notes
Fuel pump eccentric M-6287-B302 installed, allows use of mechanical fuel pump
A standard rotation water pump is installed on the engine. Other applications may require different water pumps and timing chain covers
Firing order 1-3-7-2-6-5-4-8 (5.0L HO and 351W order).
Built with current available parts. Photo and specs may vary.
Shipping weight approximately 475 lbs.
Race Application – No Warranty