MEGAFLOW
COMPETITION VALVES

Quality and Flow...Proven Second To None !!

  • Premium Quality 21-4N Material on All Valves
  • One-Piece Forging on Every Milodon Valve
  • 1600°F Operating Temperature
  • Swirl Polished for Flow and
    Tulipped Heads for Weight Savings
  • Undercut Stems for Greatest
    Flow and Lightness
  • Stellite Tips Hardened to 58-60 Rc.
    Hold Up to High Valve Train Loads

Milodon Megaflow Valves Are Lighter !


- More RPM & Quicker RPM -

- Better Valve Spring Life -

 

Joe Mondello measured and confirmed that a Megaflow valve is substantially lighter
than a Ferrea valve. Representative data for Small and Big Block Chevy are shown.

 

Small Block Chevy

Ferrea 6000 Series   Milodon Megaflow
Size Part# Grams   Part# Grams Gr Less % Less

2.02

F6101

125.6

 

45015

115.3

10.3

8.9%

1.60

F6100

101.5

 

45045

97.1

4.4

4.5%

Ferrea Comp.Series   Milodon Megaflow
Size Part# Grams   Part# Grams Gr Less % Less

2.02

F1115P

123.0

 

45015

115.3

7.7

6.7%

1.60

F1104P

103.0

 

45045

97.1

5.9

6.1%

Big Block Chevy

Ferrea 6000 Series   Milodon Megaflow
Size Part Grams   Part# Grams Gr Less % Less

2.25

F6190

156.0

 

45116

134.4

21.6

16.1%

1.88

F6157

131.0

 

45136

128.9

2.1

1.6%

Ferrea Comp.Series   Milodon Megaflow
Size Part Grams   Part# Grams Gr Less % Less

2.25

F1223P

151.5

 

45116

134.4

17.1

12.7%

1.88

F2101

141.5

 

45136

128.9

12.6

9.8%

**Milodon's stainless steel valves are produced solely by our manufacturing partner in Argentina for over 25 years**

 

Milodon Valves Flow Better !


- More Horsepower -

 

Independent testing as shown here, by highly respected head specialists like "Joe Mondello" of the Joe Mondello Technical School, proves the Megaflow valve is second to none in the flow department, right out of the box.

 

CHEVY - Small Block and Big Block


TYPE HEAD
DIA.
STEM
DIA.
LENGTH
STOCK Unless
Otherwise Noted
TIP
LGTH
HEAD
ANG/
RAD
MARGIN SEAT G PART #

SMALL BLOCK CHEVY - Intake

IN 1.94 .341 4.910 .250 12° 3/8R .050 .060 109.9 45005-8

IN 2.02 .341 4.910 .250 12° 3/8R .050 .060 112.6 45015-8
IN 2.02 .341 5.010(+.100) .250 12° 3/8R .050 .060 112.6 45016-8
IN 2.02 .341 5.160(+.250) .250 12° 3/8R .050 .060 114.4 45055-8

IN 2.05 .341 4.910 .250 12° 3/8R .050 .060 115.3 45025-8
IN 2.05 .341 5.010 (+.100) .250 12° 3/8R .050 .060 117.1 45026-8
IN 2.05 .341 5.110 (+.200) .250 12° 3/8R .050 .060 118.0 45059-8
IN 2.05 .341 5.160 (+.250) .250 12° 3/8R .050 .060 118.0 45060-8
IN 2.05 .341 5.200 (+.290) .250 12° 3/8R .050 .060 118.9 45061-8

IN 2.08 .341 4.930 .250 12° 3/8R .050 .060 121.7 45027-8
IN 2.08 .341 5.030 (+.100) .250 12° 3/8R .050 .060 122.6 45028-8
IN 2.08 .341 5.160 (+.250) .250 12° 3/8R .050 .060 120.8 45065-8

EX 1.50 .341 4.930 .280 12° 3/8R .080 .090 92.6 45035-8

EX 1.60 .341 4.930 .280 12° 3/8R .080 .090 97.2 45045-8
EX 1.60 .341 5.030 (+.100) .280 12° 3/8R .080 .090 97.2 45046-8
EX 1.60 .341 5.130 (+.200) .280 12° 3/8R .080 .090 98.1 45069-8
EX 1.60 .341 5.160 (+.230) .280 12° 3/8R .080 .090 100.8 45070-8
EX 1.60 .341 5.200 (+.270) .280 12° 3/8R .080 .090 101.2 45071-8

EX 1.625 .341 4.930 .280 12° 3/8R .080 .090 98.1 45047-8
EX 1.625 .341 5.030 (+.100) .280 12° 3/8R .080 .090 100.8 45048-8
EX 1.625 .341 5.130 (+.200) .280 12° 3/8R .080 .090 100.8 45074-8
EX 1.625 .341 5.160 (+.230) .280 12° 3/8R .080 .090 100.8 45075-8

BIG BLOCK CHEVY

IN 2.19 .371 5.220 .220 12° 3/8R .060 .060 151.6 45115-8
EX 1.88 .371 5.355 .220 12° 3/8R .080 .090 137.1 45135-8

BIG BLOCK CHEVY - BRODIX -1 & -2

IN 2.25 .341 5.320 (+.100) .220 12° 3/8R .060 .060 148.0 45116-8
EX 1.88 .341 5.455 (+.100) .220 12° 3/8R .080 .090 128.0 45136-8

BIG BLOCK CHEVY - BRODIX -2x & -3

IN 2.30 .341 5.570 (+.350) .220 12° 3/8R .060 .060 152.8 45117-8
EX 1.88 .341 5.705 (+.350) .220 12° 3/8R .080 .090 132.6 45137-8

 

Chrysler, Ford, Pontiac, and Holden


TYPE HEAD
DIA.
STEM
DIA.
LENGTH
STOCK Unless
Otherwise Noted
HEAD
ANG/
RAD
MARGIN SEAT G Set of 8
PART #
 

SMALL BLOCK CHRYSLER 340

IN 2.02 .371 5.000 .250 12° 3/8R .050 .060 129.8 45215-8
EX 1.60 .371 5.000 .250 12° 3/8R .080 .090 109.0 45225-8

BIG BLOCK CHRYSLER (WEDGE)

IN 2.08 .371 4.870 .280 12° 3/8R .060 .060 137.0 45245-8
IN 2.14 .371 4.870 .280 12° 3/8R .060 .060 141.6 45275-8
EX 1.74 .371 4.900 .280 12° 3/8R .080 .090 108.5 45255-8
EX 1.88 .371 4.900 .280 12° 3/8R .080 .090 131.7 45265-8
EX 1.81 .371 4.900 .280 12° 3/8R .080 .090 125.3 45266-8

SMALL BLOCK FORD 302

IN 1.94 .341 4.910 .250 12° 3/8R .050 .060 107.1 45315-8
EX 1.60 .341 4.910 .250 12° 3/8R .080 .090 97.2 45335-8

FORD 351C

IN 2.19 .341 5.240 .280 12° 3/8R .060 .060 138.9 45345-8
EX 1.71 .341 5.060 .250 12° 3/8R .080 .090 109.9 45365-8

FORD 429, 460 (1968-72)

IN 2.245 .341 5.240 .280 12° 3/8R .060 .060 143.5 45375-8
IN 2.19 .341 5.240 .280 12° 3/8R .060 .060 138.9 45377-8
EX 1.725 .341 5.060 .340 12° 3/8R .080 .090 109.9 45385-8

PONTIAC 350, 389, 400, 421, 428, 455

IN 2.11 .341 4.980 (71-79) .250 12° 3/8R .060 .060 119.9 45470-8
IN 2.11 .341 5.090 (68-70) .250 12° 3/8R .060 .060 120.8 45480-8
IN 1.96 .341 4.880 (59-67) .250 12° 3/8R .060 .060 109.9 45490-8
EX 1.66 .341 4.980 (71-79) .250 12° 3/8R .080 .090 101.7 45475-8
EX 1.77 .341 5.080 (68-70) .250 12° 3/8R .080 .090 112.6 45485-8
EX 1.66 .341 4.900 (59-67) .250 12° 3/8R .080 .090 102.6 45495-8

HOLDEN  308

IN 2.05 .341 5.200  .250 12° 3/8R .050 .060 118.9 45500-8
EX 1.60 .341 5.200  .250 12° 3/8R .080 .090 100.8 45505-8