I did some research on the KYB site and comparing the "Gas-a-Just" S-10 front shock to the MMax/D50 front shock, the S-10 shock is a little shorter.

S-10
Mfr. Part Number
KG5450
Warranty
Limited Lifetime Warranty (Details)
Compressed Length
8.27"
Extended Length
12.4"
Travel
4.13"
Upper Mount
S1
Lower Mount
E3(56x82x15)
Upper Mount Kit
C0272
Weight
2.0000

MMax/D50
Mfr. Part Number
KG5433
Warranty
Limited Lifetime Warranty (Details)
Compressed Length
9.06"
Extended Length
13.78"
Travel
4.72"
Upper Mount
S1
Lower Mount
E3(56.6x77x0)
Upper Mount Kit
C0272
Weight
3.0000