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  5. 138190024 Tillotson JT-207 Box Stock Head
138190024 Tillotson JT-207 Box Stock Head
138190024 Tillotson JT-207 Box Stock Head - Packaged
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138190024 Tillotson JT-207 Box Stock Head

Part Number: 138190024
On sale: $25.00 $21.25
Availability: In Stock.

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Description

138190024 Tillotson Box Stock Head

JT-207 Casting

Tillotson designed high flow head for box stock racing. 

Flow testing by Young Engines. TIllotson vs JT-158

Tillotson JT207

.050" - 15.9

.100" - 30

.150" - 43.5

.200" - 46

.250" - 47

.300" - 48.5

.350" - 50.5

JT-158

.050" - 15.9

.100" - 30

.150" - 42.6

.200" - 44.1

.250" - 46

.300" - 48

.350" - 48.5

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