FS: Mast LS7 305cc heads

[OVRKILL]

Helping a guy out on Tech. Needs to see these heads....

Mast Rectangular Port LS7 305cc 12 Degree 6-Bolt 4.125"+ Bore CNC
Utilizes the Gen IV LS7 valve-train and intake manifold.
• Designed for any new Gen IV short-block with 4.125" bore or larger.
• Includes a 2.250" intake valve and 1.600" exhaust valve
• Has a 305cc intake port
• Has a deck thickness of .750"

Flow Data 305cc LS7
Lift Intake Exhaust
0.100 75 55
0.200 155 108
0.300 234 159
0.400 304 200
0.500 356 228
0.550 376.5 236
0.600 379 243
0.650 379 249
0.700 388 252
0.750 395 255
0.800 401.5 258
0.900 406 260
1.000 410 263

$2750

More info, please contact Chris:

(845)206-6622

[OVRKILL]

shocked someone hasnt jumped on these by now




or tried to destroy this thread....

[1BADAIR]

i think their is only 2 people on this site that have a bore that these will even work on

[Nocooler]

i think their is only 2 people on this site that have a bore that these will even work on

Come on - I'm sure we can come up with a spacer so they fit your 5.3

[DETROITMUSCLE]

lol Larry is one of the aforementioned members

[1BADAIR]

i dont think the valve would even open when bolted on my 5.3

hell, it probably wouldnt open on next years engine-416
i am looking for heads for it though

[Nocooler]

i dont think the valve would even open when bolted on my 5.3

hell, it probably wouldnt open on next years engine-416
i am looking for heads for it though

Just clearance the cylinders a little

[1BADAIR]

does my new crankshaft look funny?

[Nocooler]

does my new crankshaft look funny?

Looks like you might plan on that thing revving a little quicker

[OVRKILL]

look at all those crazy shapes? lol, you buy that at the "arts beats and eats"?

[DETROITMUSCLE]

bullhorn nice.

[BAMF TA]

I wish I had the cash...