Custom ALL PRO 13-3 Casting
Intake Runner Volume:   294cc
Combustion Chamber Volume:   46cc
13° Valve Angle
95/150 Valve Spacing

Intake Valve:      2.200 or 2.230 dia. x 5.950 length
Exhaust Valve:   1.600 dia. x 5.950 length (45°)

5 deg. Intake Flange
Intake port opening at gasket:        2.12H x 1.505W
Distance from floor to deck at gasket:  2.245
Intake min. cross-sectional dim.:    2.77 sq.in.

Notations:
  .725 Offset rocker shafts required
  .180 Offset lifters required

LIFT	INTAKE (2.200 - 45°)	INTAKE (2.230 - 52°)	EXHAUST
.200	153	143	110
.300	215	221	161
.400	293	279	216
.500	341	337	239
.600	372	383	248
.700	386	405	251
.800	388	402	253
Flow #'s by Weld Tech - CFM @ 28"

Available Options:
  275-284cc Runner Volume
  78/135 Valve Spacing
   2.150,2.180,2.200 (45°,50°,52°) Intake Valve

 

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WELD TECH 1789 South Green Street Brownsburg, IN 46112 (317) 852-4450 Fax: (317) 852-5291