BILLET ADAPTERS
offered by
INSTANT TOOLS INC.
All our billet adapters are made of forged 6061 billet aluminum.
CUSTOMS BOLT PATTERNS, STUD THREAD SIZES, BORE SIZES
AND THICKNESSES AVAILABLE.
4 LUG BOLT PATTERNS
Part No.
Thickness
Vehicle Bolt
Pattern
Wheel Bolt
Pattern
I.D.
O.D.
Stud
Thread Size
4100-4100A
1.00"
4x100
4x100
71
150
12x1.5
4100-4100B
1.25"
4x100
4x100
71
150
12x1.5
4100-4450A
1.00"
4x100
4x4.5
71
150
12x1.5
4425/100-4450A
1.00"
4x100,4x4.25
4x4.5
71
150
12x1.5
4425/450-4100A
1.00"
4x4.25,4x4.5
4x100
71
150
12x1.5
4425-4100A
1.00"
4x4.25
4x100
71
150
12x1.5
4450-4100A/B
1.00"/1.50"
4x4.5
4x100
71
150
12x1.5
4450-4450A/B/C/E
1.00"/1.25"
1.50"/2.00"
4x4.5
4x4.5
71
150
12x1.5
5 LUG BOLT PATTERNS
Part No.
Thickness
Vehicle Bolt
Pattern
Wheel Bolt
Pattern
I.D.
O.D.
Stud
Thread Size
5100-5100A/B
1.00"/1.25"
5x100
5x100
56.1
150
12x1.5
5100-5450A
1.00"
5x100
5x4.5
64
150
12x1.5
5135/500-5135C
1.50"
5x135,5x5
5x135
87.1
176
1/2-20
5135/500-5450B
1.25"
5x135,5x5
5x4.5
87.1
176
12x1.5
5135/500-5475B
1.25"
5x135,5x5
5x4.75
87.1
176
12x1.5
5135/500-5500C
1.50"
5x135,5x5
5x5
87.1
176
1/2-20
5135/500-5550C
1.50"
5x135,5x5
5x5.5
87.18
176
1/2-20
5425-5450B
1.25"
5x4.25
5x4.5
73.1
150
12x1.5
5450/475-5135B
1.25"
5x4.5,5x4.75
5x135
74
164
12x1.5
5450/475-5450B
1.25"
5x4.5,5x4.75
5x4.5
74
164
12x1.5
5450/475-5475B
1.25"
5x4.5,5x4.75
5x4.75
74
164
12x1.5
5450/475-5500B
1.25"
5x4.5,5x4.75
5x5
74
164
12x1.5
5450/475-5550B
1.25"
5x4.5,5x4.75
5x5.5
74
164
12x1.5
5450-5450A
1.00"
5x4.5
5x4.5
74
164
12x1.5
5450-5450AW1
1.00"
5x4.5
5x4.5
74
164
1/2-20
5450-5450BW1
1.25"
5x4.5
5x4.5
74
164
1/2-20
5450-5450C
1.50"
5x4.5
5x4.5
82
164
1/2-20
5450-5450E
2.00"
5x4.5
5x4.5
82
164
1/2-20
5475/500-5500C
1.50"
5x4.75,5x5
5x5
78.1
164
1/2-20
5475-5475A/B/C
1.00"/1.25"
1.50"
5x4.75
5x4.75
74
164
12x1.5
5475-5475E
2.00"
5x4.75
5x4.75
82.55
164
12x1.5
5500/550-5135C
1.50"
5x5,5.5
5x135
87.18
176
1/2-20
5500/550-5450B
1.25"
5x5,5x5.5
5x4.5
87.18
176
12x1.5
5500/550-5475B
1.25"
5x5,5x5.5
5x4.75
87.18
176
12x1.5
5500/550-5500C
1.50"
5x5,5x5.5
5x5
87.18
176
12x1.5
5500/550-5550C
1.50"
5x5,5x5.5
5x5.5
87.18
176
1/2-20
5550-5450C
1.50"
5x5.5
5x4.5
82.55
176
12x1.5
5550-5475C
1.50"
5x5.5
5x4.75
82.55
176
12x1.5
5550-5500B
1.25"
5x5.5
5x5
87.18
176
12x1.5
5550-5550B
1.25"
5x5.5
5x5.5
87.1
176.7
1/2-20
5550-5550BWM
1.25"
5x5.5
5x5.5
108
176.7
1/2-20
5550-5550C
1.50"
5x5.5
5x5.5
108
176.7
1/2-20
5550-5550E
2.00"
5x5.5
5x5.5
108
176
1/2-20
6 LUG BOLT PATTERNS
Part No.
Thickness
Vehicle Bolt
Pattern
Wheel Bolt
Pattern
I.D.
O.D.
Stud
Thread Size
6135-6550B108
1.25"
6x135
6x5.5
108
176
12x1.5
6450-6550A
1.00"
6x4.5
6x5.5
108
176
12x1.5
6550-6135B108
1.25"
6x5.5
6x135
108
176
12x1.5
6550-6550B100
1.25"
6x5.5
6x5.5
100.1
176
12x1.25
6550-6550B108
1.25"
6x5.5
6x5.5
108
176
12x1.5
6550-6550BWM
1.25"
6x5.5
6x5.5
108
176
14x1.5
6550-6550C100
1.50"
6x5.5
6x5.5
100.1
176
12x1.25
6550-6550C108
1.50"
6x5.5
6x5.5
108
176
12x1.5
6550-6550C78
1.50"
6x5.5
6x5.5
78.1
176
14x1.5
6550-6550C82
1.50"
6x5.5
6x5.5
82.55
176
12x1.5
6550-6550E108
2.00"
6x5.5
6x5.5
108
176
12x1.5
6550-6550E78
2.00"
6x5.5
6x5.5
78.1
176
14x1.5
8 LUG BOLT PATTERNS
Part No.
Thickness
Vehicle Bolt
Pattern
Wheel Bolt
Pattern
I.D.
O.D.
Stud
Thread Size
8170-8170C/E/G/I
1.50"/2.00"
2.50"/3.00"
8x170
8x170
125
216
14x2
8170-8170EAP
2.00"
8x170
8x170
125
216
14x1.5
8200-8200E
2.00"
8x200
8x200
145
246
14x1.5
8650-8650C/E/G/I
1.50"/2.00"
2.50"/3.00"
8x6.5
8x6.5
126.15
216
14x1.5
8650-8650EM
2.00"
8x6.5
8x6.5
126.15
216
14x2
8650-8650EWM
2.00"
8x6.5
8x6.5
126.15
216
9/16