MEGAFLOW
RACING VALVES

Chrysler, Ford, Pontiac, and Holden

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%

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

2.02

F1115P

123.0

 

45015

115.3

7.7

6.7%

1.60

F1104P

103.0

 

45045

97.1

5.9

6.1%

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%

  • 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

*Sold in master packs of eight. - Order singles by using the Part Number with a "-1" instead of "-8".

 


TYPE HEAD
DIA.
STEM
DIA.
LENGTH
STOCK Unless
Otherwise Noted
HEAD ANGLE/
RADIUS
MARGIN SEAT GRAMS 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 (1971-79) .250 12° 3/8R .060 .060 119.9 45470-8
IN 2.11 .341 5.090 (1968-70) .250 12° 3/8R .060 .060 120.8 45480-8
IN 1.96 .341 4.880 (1959-67) .250 12° 3/8R .060 .060 109.9 45490-8
EX 1.66 .341 4.980 (1971-79) .250 12° 3/8R .080 .090 101.7 45475-8
EX 1.77 .341 5.080 (1968-70) .250 12° 3/8R .080 .090 112.6 45485-8
EX 1.66 .341 4.900 (1959-67) .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