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Enkei

Enkei 3798904435SP RPF1 18x9 5x112 +35mm 66.5 Bore Silver Lightweight Wheel

Regular price
$361.95
Regular price
$452.00
Sale price
$361.95
Shipping calculated at checkout.

In Stock: 90

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Product Specification:

SKU:ENK3798904435SP

MPN: 3798904435SP

UPC: 3798904435SP

Weight: 21.4 lb

Inventory: 90

Type: Wheels - Cast



Vehicle Fitment

  • Universal - Fits vehicles with 5x112 bolt pattern and 66.5mm or larger hub bore

Fitment Notes

  • Verify clearance for 18x9 wheel size with +35mm offset before purchase
  • Hub-centric rings may be required for vehicles with hub bores larger than 66.5mm
  • Sold individually - order quantity of 4 for a complete set
  • Center cap not included (optional Cap #A379-0000SP sold separately)

Features

  • MAT (Most Advanced Technology) flow-forming process for superior strength-to-weight ratio
  • Twin-spoke design derived from McLaren Mercedes Formula One race wheel technology
  • Pocket design around bolt circles increases rigidity and improves heat dissipation
  • 10-15% lighter than comparable cast aluminum wheels
  • Spec-E certified - exceeds JWL testing standards with higher impact and fatigue requirements
  • One-piece aluminum alloy construction for maximum structural integrity
  • F1 Silver gloss finish for a clean, motorsport-inspired appearance
  • Lifetime structural warranty from Enkei

Specifications

  • Diameter: 18 inches
  • Width: 9 inches
  • Bolt Pattern: 5x112
  • Offset: +35mm
  • Center Bore: 66.5mm
  • Backspacing: 6.38 inches
  • Frontspacing: 3.63 inches
  • Finish: F1 Silver (Gloss)
  • Construction: MAT Process Aluminum Alloy
  • Load Rating: 1,522 lbs

Included Components

  • 1x Enkei RPF1 Wheel (18x9)
  • 1x Enkei Valve Stem
  • 2x Enkei Decals

Product Description

The Enkei RPF1 is one of the most iconic lightweight racing wheels available, developed using technology derived from Enkei's partnership with the McLaren Mercedes Formula One team. This 18x9 configuration with a 5x112 bolt pattern and +35mm offset is engineered for enthusiasts seeking reduced unsprung weight without sacrificing strength or durability.

Manufactured using Enkei's proprietary MAT (Most Advanced Technology) process, the RPF1 combines cast wheel technology with rotary forging to reshape the rim barrel, resulting in a wheel that is 10-15% lighter than traditional cast designs. Every pound of unsprung weight saved effectively reduces overall vehicle weight by approximately 20 pounds, translating to improved acceleration, braking response, and handling precision.

The RPF1's distinctive twin-spoke design achieves optimal stress dispersion under hard cornering, braking, and aggressive driving conditions. Enkei's pocket design around the bolt circle enhances rigidity while promoting airflow to keep the wheel cooler during spirited driving. Each wheel undergoes Spec-E inspection, Enkei's proprietary testing standard that surpasses JWL requirements with higher impact thresholds and extended fatigue cycle testing.

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