Top Dead Centre Indicator Adapter for Spark Plug Installation

Brief Overview

This TDC indicator adapter is an essential timing tool for any professional workshop handling 2-4 stroke engine diagnostics and synchronization. The adapter bridges measurement gauges into the spark plug hole, providing direct visual indication of top dead centre position with precision accuracy. Mechanics and technicians working with a wide range of engine platforms—from Fiat and Alfa Romeo to Lancia and various other manufacturers—will recognize this tool's versatility. Pair this with a 14mm timing detection tool for comprehensive TDC measurement across different engine configurations.

Key Features

• Spark Plug Hole Installation: Threads directly into standard spark plug holes for accurate engine positioning
• Gauge Compatibility: Designed to accept S-XCC measurement gauges (sold separately) for precise TDC detection
• Universal Engine Support: Functional across 2-stroke and 4-stroke engine architectures
• Precision Metal Construction: Anodized orange aluminum body with brass/steel contact pin ensures durability and accurate readings
• Adjustable Locking Mechanism: Knurled metal collar with thumbscrew allows secure plunger positioning and fine-tuning
• Compact Design: Slim cylindrical profile fits into tight engine compartments without requiring extensive disassembly

Why Resellers Choose This Tool

Recurring Revenue Potential: This adapter is a consumable-adjacent tool—mechanics purchase it once, but the gauge requirement (S-XCC, sold separately) drives complementary sales. Bundle opportunities are substantial.

Multi-Platform Coverage: Compatibility across 16+ engine models and multiple manufacturer platforms (WV, Fiat, Alfa Romeo, Lancia, and others) positions this as a must-stock item for any shop with diverse clientele.

Professional Credibility: TDC indicators are non-negotiable for shops handling timing-critical work (valve synchronization, ignition timing, camshaft diagnostics). Stocking this positions your business as a serious diagnostic resource.

Low Inventory Footprint: Single adapter tool with high relevance across multiple applications—efficient shelf space utilization with strong margin potential.

Technical Specifications

Specification	Detail
Product Type	TDC Indicator Adapter
Installation Method	Spark Plug Hole Thread-In
Compatible Engine Types	2-Stroke, 4-Stroke
Body Material	Anodized Aluminum (Orange)
Contact Pin Material	Brass or Steel
Gauge Interface	S-XCC Series Measurement Gauges
Locking Mechanism	Knurled Collar with Thumbscrew
Suitable Vehicle Platforms	Fiat, Alfa Romeo, Lancia, VW, and equivalent manufacturers
Compatible Engine Models	161.02, 324.01, 342.01, 343.01, 175a3.000, 182a1.000, 182a2.000, 182a4.000, 182a6.000, 182b6.000, 932a.000, AGX, ANJ, BLF, LFW, RFU, RFW, RGX

Application & Value Proposition

This adapter eliminates guesswork in engine timing diagnostics. Instead of relying on markings or approximation, technicians get direct, measurable TDC confirmation—critical for:

• Valve Timing Synchronization: Ensures precise camshaft positioning
• Ignition System Diagnostics: Validates spark timing relative to piston position
• Engine Overhaul Verification: Confirms correct assembly during major repairs
• Diagnostic Troubleshooting: Helps pinpoint timing-related performance issues

For resellers, the tool's broad compatibility and professional necessity make it a high-confidence stock item. Shops performing timing work will need this—and they'll expect to find it in a fully-equipped tool supplier's catalog.

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Ready to stock precision timing tools? This adapter, combined with compatible measurement gauges, forms a complete TDC diagnostic system that justifies premium positioning in your professional tool category.