Thoughts on accepted aftermarket heads for 350?

[5389stk]

Question who actually submitted all these heads to NHRA or did NHRA pick them out. All these heads cc way to big to be used in stock.

[FireSale]

Originally Posted by 5389stk

Question who actually submitted all these heads to NHRA or did NHRA pick them out. All these heads cc way to big to be used in stock.

Can't answer that. The AFR 1399 aluminum head is NHRA approved for SS, but it ships with 1.9 and 1.6 valves installed. Larger than the Ford heads it's approved to replace. You would have to knock the valve size down to pass a SS tear down. I wasted a couple of grand on believing the Approved list, so be careful.

AFR `1399
58cc
valves 1.9/1.6
I runner 165cc
E runner 68cc

c8oe f J code 302/230
49.5cc
valves 1.783/1.457
I runner 130cc
E runner 49cc

Got iron heads now.

[FireSale]

Anyone notice that the approved Dart head is iron?

Dart catalogue

Iron EAGLE s/s 23° 165cc (55-86 Std. Intake Face)
72cc Chambers – 1.940”/1.500” Valves
10021070 Bare Head

NHRA Accepted Stock/Super Stock Cylinder Head Volumes Updated June 14, 2017 Highlighted items designate recently added since last revision
Head # 10021070 Dart
Intake CC's Max 172
Exhaust CC's Max 65
Same As Stock 80-92 305; Same chamber CC's, valve sizes as head replacing intake and exhaust

[Bobby Lundholm]

Originally Posted by FireSale

Anyone notice that the approved Dart head is iron?

Dart catalogue

Iron EAGLE s/s 23° 165cc (55-86 Std. Intake Face)
72cc Chambers – 1.940”/1.500” Valves
10021070 Bare Head
It's listed in the Accepted Products release pg 42 (2017) under that part number.

Yes that one is on the top of our list to work with.