Enkei - enk3798804435SP - RPF1 18x8 5x112 Silver Wheel

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 lightweight performance for track cars, sport compacts, and sports sedans. Its MAT (Most Advanced Technology) flow-forming process is designed to provide a strong strength-to-weight ratio, helping reduce unsprung mass for responsive acceleration, turn-in, and suspension articulation.

Key performance features include dual-spoke distribution to spread side stresses across paired spokes, pocket milling around the bolt circle to reduce weight in the center hub area, and a precision-machined center bore designed to accept hub-centric centering rings. The wheel is built to Enkei’s Spec-E testing standard, which calls for higher impact drop energy and 20% more rotational fatigue cycles than standard JWL guidelines. A multi-stage protective surface treatment helps shield the finish against track heat cycles, road salt corrosion, and brake dust accumulation.

Key Product Specifications & Technical Data:

• Wheel model: RPF1
• Wheel diameter: 18 inches
• Wheel width: 8 inches
• Bolt pattern: 5x112
• Offset: +35 mm
• Hub bore diameter: 73 mm
• Finish: Silver
• Construction: Cast

What’s Included: One Enkei RPF1 wheel.

Fitment: Fitment data was not provided. Verify vehicle-specific clearance, bolt pattern, offset, hub bore, and brake clearance before purchase.

Features:

• Formula One-derived twin-spoke architecture: Supports lightweight performance and rigidity for track cars, sport compacts, and sports sedans.
• MAT flow-forming process: Provides an exceptional strength-to-weight ratio intended to reduce unsprung mass.
• Dual-spoke distribution: Spreads side stresses across paired spokes and is designed to optimize brake caliper clearance.
• Spec-E testing standard: Requires higher impact drop energy and 20% more rotational fatigue cycles than standard JWL guidelines.
• Protective surface treatment: Helps protect against track heat cycles, road salt corrosion, and brake dust accumulation.
• Precision-machined center bore: Accepts hub-centric centering rings to help reduce high-speed chassis vibration and wheel stud fatigue.
• Pocket milling: Removes extraneous weight from the center hub area without compromising structural integrity.
• Silver 18x8 configuration: Features a 5x112 bolt pattern, +35 mm offset, and 73 mm hub bore.

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: +35
Bolt Pattern: 5x112
Wheel Diameter: 18.00
Finish: Silver
Wheel Model: RPF1
Wheel Width: 8.00