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SKU: 3120-8
GSC P-D Honda Civic Type-R K20C1 (STD) Intake Valve Guide - Set of 8 | 2017-2021 Civic Type R
GSC Power-Division 3120-8 intake valve guides deliver precision fitment for the K20C1 engine in 2017-2021 Honda Civic Type R models. This set of 8 standard-size guides replaces worn components to maintain tight valve sealing during aggressive driving. Manganese bronze material handles extreme heat and friction for consistent power delivery.
Key Features
- Manganese Bronze Build: Resists wear and dissipates heat effectively in turbocharged K20C1 applications
- STD Sizing: Matches stock intake valve dimensions with exact ID for seamless drop-in replacement
- Precision Machining: CNC-crafted tolerances reduce guide-to-valve clearance and prevent stem galling
- Complete Intake Set: Includes 8 guides covering all intake positions for full cylinder head refresh
- High RPM Design: Supports 9000+ RPM operation with reliable sealing under boost pressure
Product Notes
- Valve guides must be pressed into aluminum head using proper sizing tools
- Inspect valve seats during replacement for optimal sealing performance
- Packaged securely to prevent damage during transit
Installation Notes
- Professional installation recommended.
- Requires cylinder head removal and valve guide puller/driver set
- Compatible with stock Honda head and GSC performance valves
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2017-2021 | Honda | Civic | Type R |
Why Choose GSC Power-Division?
- Proven in drag racing and track builds worldwide
- Manufactured in USA with strict quality controls
- Engineered specifically for Honda K-series turbo engines
Frequently Asked Questions
-
Q: Will these guides fit 2023+ Civic Type R models?
A: These 3120-8 guides are for K20C1 engines in 2017-2021 FK8 Civic Type R. Verify K20C9 fitment for FL5 models separately. -
Q: What material are the guides made from?
A: High-grade manganese bronze provides superior strength, heat resistance, and longevity over OEM phosphor bronze. -
Q: Is there a warranty on these valve guides?
A: GSC Power-Division backs valve guides with a limited lifetime warranty against manufacturing defects.
Shipping & Handling
- Method: UPS Ground
- Availability: In stock - ships same or next business day
- Packaging: Compact protective box 6 x 4 x 1 inches
- Weight: 0.25 lbs
GSC Power Division
GSC Power Division is a manufacturer of precision-engineered camshafts, valve springs, and valvetrain components designed for high-performance and competition engines across domestic, import, and diesel platforms. Founded by engineers with deep roots in motorsport, GSC Power Division components are machined to exacting tolerances and heat-treated to survive the demands of forced induction and high-rpm applications that destroy stock valvetrain parts. The brand is particularly well-known in the Mitsubishi Evo, Subaru STI, Nissan RB, and Toyota 2JZ communities where aggressive camshaft profiles are essential for extracting maximum power from turbocharged four-cylinder and six-cylinder engines. Whether building for drag racing, road course competition, or a high-powered street car, GSC Power Division camshafts and valve springs are a proven upgrade path. Popular Upgrades GSC Power Division S1, S2, and S3 camshafts are the most popular selections, with each profile offering progressivel...
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