Enkei - enk3797806545SBC - RPF1 17x8 Silver Wheel, 5x114.3, +45 Offset, 73mm Bore

Enkei RPF1 wheels represent an iconic benchmark in modern motorsport, combining Formula One-derived twin-spoke architecture with ultra-lightweight performance for track cars, sport compacts, and sports sedans. Originally developed in collaboration with the McLaren Honda F1 team, the RPF1 utilizes Enkei’s MAT (Most Advanced Technology) flow-forming process to yield an exceptional strength-to-weight ratio, dramatically reducing unsprung mass for blistering acceleration, razor-sharp turn-in, and precise suspension articulation.

• Dual-spoke distribution spreads side stresses across two spokes to increase wheel rigidity under heavy lateral g-forces while optimizing brake caliper clearance
• Built to Enkei’s Spec-E testing standard, demanding higher impact drop energy and 20% more rotational fatigue cycles than standard JWL guidelines
• Multi-stage protective surface treatment shields against extreme track heat cycles, road salt corrosion, and brake dust accumulation
• Precision-machined center bore accepts hub-centric centering rings to eliminate high-speed chassis vibration and wheel stud fatigue
• Pocket milling around the bolt circle relieves extraneous weight from the center hub area without compromising structural integrity

The Enkei RPF1 wheel combines Formula One-derived twin-spoke architecture with a lightweight performance-focused design. Developed with Enkei’s MAT (Most Advanced Technology) flow-forming process, the RPF1 is designed to provide a strong strength-to-weight ratio while reducing unsprung mass for responsive acceleration, turn-in, and suspension articulation. This wheel features a silver finish, 17-inch diameter, 8-inch width, 5x114.3 bolt pattern, +45 offset, and 73mm hub bore.

Dual-spoke distribution helps spread side stresses across the spokes, while pocket milling around the bolt circle reduces excess weight in the center hub area. The wheel is built to Enkei’s Spec-E testing standard, which the manufacturer describes as requiring higher impact drop energy and 20% more rotational fatigue cycles than standard JWL guidelines. Its multi-stage protective surface treatment is designed to help shield against track heat cycles, road salt corrosion, and brake dust accumulation. The precision-machined center bore accepts hub-centric centering rings. Fitment data supplied with the product identifies compatibility with 2005–2007 Subaru STI and 2006–2010 Honda Civic Si; verify vehicle-specific clearance and fitment before installation.

What's Included: One Enkei RPF1 wheel.

Features:

• Lightweight Performance Design: Enkei MAT flow-forming technology is designed to deliver a strong strength-to-weight ratio and reduce unsprung mass.
• Twin-Spoke Architecture: Dual-spoke distribution helps increase wheel rigidity under lateral loads and optimizes brake caliper clearance.
• Spec-E Testing: Built to Enkei’s Spec-E testing standard, described as requiring higher impact drop energy and 20% more rotational fatigue cycles than standard JWL guidelines.
• Protective Surface Treatment: Multi-stage finish treatment helps protect against track heat cycles, road salt corrosion, and brake dust accumulation.
• Wheel Model: RPF1.
• Construction: Cast.
• Wheel Size: 17 inches in diameter by 8 inches wide.
• Bolt Pattern and Offset: 5x114.3 bolt pattern with a +45 offset.
• Hub Bore and Finish: 73mm hub bore with a silver finish.
• Fitment Data: Supplied product information identifies 2005–2007 Subaru STI and 2006–2010 Honda Civic Si applications; verify vehicle-specific fitment before installation.

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Unknown
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1
Construction: Cast
Hub Bore Diameter: 73.00
Offset: +45
Bolt Pattern: 5x114.3
Wheel Diameter: 17.00
Finish: Silver
Wheel Model: RPF1
Wheel Width: 8.00