--- product_id: 208226023 title: "GM TURBO 350 TH350 MUNCIE POWERGLIDE TRANSMISSION SPEEDOMETER GEAR 23 TEETH BLACK SPEEDO W/BULLET CLAMP BOLTS" brand: "aftermarket auto parts" price: "FREE" currency: TND in_stock: false url: https://www.desertcart.tn/products/208226023-gm-turbo-350-th350-muncie-powerglide-transmission-speedometer-gear-23 store_origin: TN region: Tunisia --- # High-temp fiberglass blend Complete bolt & clamp kit 23 teeth precision gear GM TURBO 350 TH350 MUNCIE POWERGLIDE TRANSMISSION SPEEDOMETER GEAR 23 TEETH BLACK SPEEDO W/BULLET CLAMP BOLTS **Brand:** aftermarket auto parts **Price:** FREE **Availability:** ❌ Out of Stock ## Summary > ⚡ Shift your ride into precision mode with every mile! ## Quick Answers - **What is this?** GM TURBO 350 TH350 MUNCIE POWERGLIDE TRANSMISSION SPEEDOMETER GEAR 23 TEETH BLACK SPEEDO W/BULLET CLAMP BOLTS by aftermarket auto parts - **How much does it cost?** FREE with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/208226023-gm-turbo-350-th350-muncie-powerglide-transmission-speedometer-gear-23) ## Best For - aftermarket auto parts enthusiasts ## Why This Product - Trusted aftermarket auto parts brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Versatile Compatibility:** Fits GM Turbo 350, TH350, Muncie & Powerglide transmissions seamlessly - • **Precision-Engineered 23T Gear:** OEM-level accuracy for flawless speedometer readings - • **All-Inclusive Installation Kit:** Bullet housing, seals, clamps & bolts ready to go - • **Custom Speedometer Calibration:** Easily tweak speed readings by swapping gear tooth counts - • **Durable Fiberglass-Reinforced Build:** Enhanced heat resistance and tensile strength for longevity ## Overview This GM Turbo 350 TH350 Muncie Powerglide transmission speedometer gear features a robust 23-tooth black gear crafted from a fiberglass-reinforced plastic-metal blend for superior heat resistance and durability. The kit includes all necessary components—bullet housing, o-ring, inner seal, hold down clamp, and both metric and standard bolts—ensuring a hassle-free installation. Designed to meet or exceed OEM standards, it guarantees precise speedometer readings and offers customizable calibration by changing gear tooth counts, compatible with multiple GM transmission models. ## Description INCLUDED: BULLET HOUSING O-RING & INNER SEAL HOLD DOWN CLAMP METRIC & STANDARD BOLTS TRANSMISSION DRIVEN SPEEDOMETER GEAR 23T BLACK Gears Meet or Exceed OEM Quality Gears have a higher percentage of fiberglass giving them a higher temp rating and increasing tinsel strength for the drive cable. Colors may very Helpful tips Driven gear: Fewer teeth will speed up the speedometer reading, more teeth will slow down the reading. For every tooth added or subtracted is + or - 2mph. Drive gear: Fewer teeth will slow down the reading and more teeth will speed up the reading. For every tooth added or subtracted is + or - 10mph. Being a Builder / Engineer. Quality is every thing. ## Features - Durable Construction: Crafted with a blend of plastic and metal for robust performance and longevity - Precision Engineering: 23T black gear meets or exceeds OEM standards for accurate speedometer readings - Complete Kit: Includes bullet housing, o-ring, inner seal, hold down clamp, and metric & standard bolts - Versatile Fitment: Compatible with GM Turbo 350 and TH350 Muncie Powerglide transmissions - Customizable Speedometer: Adjust speedometer readings by swapping out gears for different tooth counts ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0853ZJYHG | | Best Sellers Rank | #2,341,032 in Automotive ( See Top 100 in Automotive ) #1,490 in Automotive Speedometers | | Brand | Aftermarket Auto Parts | | Brand Name | Aftermarket Auto Parts | | Customer Reviews | 4.8 out of 5 stars 14 Reviews | | Manufacturer | GDEngineering | | Material | PLASTIC METAL | | Material Type | PLASTIC METAL | | Number of Items | 5 | | Part Number | 3987919 3987920 3987921 3987918 | ## Product Details - **Brand:** Aftermarket - **Manufacturer:** GDEngineering - **Material:** PLASTIC METAL ## Images ![GM TURBO 350 TH350 MUNCIE POWERGLIDE TRANSMISSION SPEEDOMETER GEAR 23 TEETH BLACK SPEEDO W/BULLET CLAMP BOLTS - Image 1](https://m.media-amazon.com/images/I/81Ck7p3262L.jpg) ![GM TURBO 350 TH350 MUNCIE POWERGLIDE TRANSMISSION SPEEDOMETER GEAR 23 TEETH BLACK SPEEDO W/BULLET CLAMP BOLTS - Image 2](https://m.media-amazon.com/images/I/71TCEWR8g5L.jpg) ![GM TURBO 350 TH350 MUNCIE POWERGLIDE TRANSMISSION SPEEDOMETER GEAR 23 TEETH BLACK SPEEDO W/BULLET CLAMP BOLTS - Image 3](https://m.media-amazon.com/images/I/71aKK-0zsmL.jpg) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/208226023-gm-turbo-350-th350-muncie-powerglide-transmission-speedometer-gear-23](https://www.desertcart.tn/products/208226023-gm-turbo-350-th350-muncie-powerglide-transmission-speedometer-gear-23) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-09-29*