SSR Professor SP1 Silver Wheel - 5x114.3 18x9.0 +31 HP
SSR Professor SP1 18x9.0 / +31 Hyper Disk / 5x114.3 Silver Wheel
(SPECIAL ORDER/NO CANCELLATION)
The SSR Professor SP1 wheel combines timeless styling with advanced engineering in a premium 3-piece design. Known for its balance of strength, lightweight performance, and customizable fitment, the SP1 has become a go-to choice for enthusiasts looking for both form and function.
Features & Construction
-
Three-Piece Modular Design
Constructed from an outer rim, inner rim, and machined center face, allowing tailored offsets and widths for a precise fit. -
Heat-Treated Manufacturing
SSR’s HTM process produces thinner yet stronger rims, optimizing weight reduction while maintaining durability. -
Optimized Materials
Each component is built using specific aluminum grades for strength where it’s needed most, while reducing unnecessary weight.
Performance & Fitment
-
Size & Specs: 18×9 wheel, +31 offset, 5×114.3 bolt pattern
-
Deep-Dish Appeal: Aggressive fitment designed to deliver a bold look and enhanced stance
-
Finish Options: Often available in Super Black Coat, Gun Metallic, or Polished finishes for both style and protection
Why Choose the Professor SP1
-
Heritage Engineering: Built on decades of racing and street performance innovation
-
Custom Fitment: Modular construction allows flexibility for staggered setups or unique applications
-
Lightweight Strength: Combines reduced weight with tested durability for both performance and everyday driving
-
Certified Quality: Meets stringent industry standards for safety and performance
Quick Specs
| Specification | Details |
|---|---|
| Part Number | S818900+31H5GS0 |
| Size | 18" diameter × 9" width |
| Offset | +31 mm |
| Bolt Pattern | 5×114.3 mm |
| Construction | 3-piece modular |
| Material | Heat-treated aluminum |
| Finishes | SBC, Gun Metallic, Polished (varies) |
The SSR Professor SP1 (S818900+31H5GS0) is the perfect wheel for enthusiasts seeking a blend of iconic design, lightweight performance, and customizable fitment that stands out both on the street and the track.
Product Information
Product Information
Shipping & Returns
Shipping & Returns

SSR Professor SP1 Silver Wheel - 5x114.3 18x9.0 +31 HP
SSR Professor SP1 Silver Wheel - 5x114.3 18x9.0 +31 HP
SSR Professor SP1 18x9.0 / +31 Hyper Disk / 5x114.3 Silver Wheel
(SPECIAL ORDER/NO CANCELLATION)
The SSR Professor SP1 wheel combines timeless styling with advanced engineering in a premium 3-piece design. Known for its balance of strength, lightweight performance, and customizable fitment, the SP1 has become a go-to choice for enthusiasts looking for both form and function.
Features & Construction
-
Three-Piece Modular Design
Constructed from an outer rim, inner rim, and machined center face, allowing tailored offsets and widths for a precise fit. -
Heat-Treated Manufacturing
SSR’s HTM process produces thinner yet stronger rims, optimizing weight reduction while maintaining durability. -
Optimized Materials
Each component is built using specific aluminum grades for strength where it’s needed most, while reducing unnecessary weight.
Performance & Fitment
-
Size & Specs: 18×9 wheel, +31 offset, 5×114.3 bolt pattern
-
Deep-Dish Appeal: Aggressive fitment designed to deliver a bold look and enhanced stance
-
Finish Options: Often available in Super Black Coat, Gun Metallic, or Polished finishes for both style and protection
Why Choose the Professor SP1
-
Heritage Engineering: Built on decades of racing and street performance innovation
-
Custom Fitment: Modular construction allows flexibility for staggered setups or unique applications
-
Lightweight Strength: Combines reduced weight with tested durability for both performance and everyday driving
-
Certified Quality: Meets stringent industry standards for safety and performance
Quick Specs
| Specification | Details |
|---|---|
| Part Number | S818900+31H5GS0 |
| Size | 18" diameter × 9" width |
| Offset | +31 mm |
| Bolt Pattern | 5×114.3 mm |
| Construction | 3-piece modular |
| Material | Heat-treated aluminum |
| Finishes | SBC, Gun Metallic, Polished (varies) |
The SSR Professor SP1 (S818900+31H5GS0) is the perfect wheel for enthusiasts seeking a blend of iconic design, lightweight performance, and customizable fitment that stands out both on the street and the track.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
SSR Professor SP1 18x9.0 / +31 Hyper Disk / 5x114.3 Silver Wheel
(SPECIAL ORDER/NO CANCELLATION)
The SSR Professor SP1 wheel combines timeless styling with advanced engineering in a premium 3-piece design. Known for its balance of strength, lightweight performance, and customizable fitment, the SP1 has become a go-to choice for enthusiasts looking for both form and function.
Features & Construction
-
Three-Piece Modular Design
Constructed from an outer rim, inner rim, and machined center face, allowing tailored offsets and widths for a precise fit. -
Heat-Treated Manufacturing
SSR’s HTM process produces thinner yet stronger rims, optimizing weight reduction while maintaining durability. -
Optimized Materials
Each component is built using specific aluminum grades for strength where it’s needed most, while reducing unnecessary weight.
Performance & Fitment
-
Size & Specs: 18×9 wheel, +31 offset, 5×114.3 bolt pattern
-
Deep-Dish Appeal: Aggressive fitment designed to deliver a bold look and enhanced stance
-
Finish Options: Often available in Super Black Coat, Gun Metallic, or Polished finishes for both style and protection
Why Choose the Professor SP1
-
Heritage Engineering: Built on decades of racing and street performance innovation
-
Custom Fitment: Modular construction allows flexibility for staggered setups or unique applications
-
Lightweight Strength: Combines reduced weight with tested durability for both performance and everyday driving
-
Certified Quality: Meets stringent industry standards for safety and performance
Quick Specs
| Specification | Details |
|---|---|
| Part Number | S818900+31H5GS0 |
| Size | 18" diameter × 9" width |
| Offset | +31 mm |
| Bolt Pattern | 5×114.3 mm |
| Construction | 3-piece modular |
| Material | Heat-treated aluminum |
| Finishes | SBC, Gun Metallic, Polished (varies) |
The SSR Professor SP1 (S818900+31H5GS0) is the perfect wheel for enthusiasts seeking a blend of iconic design, lightweight performance, and customizable fitment that stands out both on the street and the track.









