2003-2012 Toyota 4.0L 1GR-FE V6 Master Timing Chain Kit (For Tacoma, 4Runner, FJ Cruiser, Tundra)

Vehicle Compatibility (For Toyota 4.0L 1GR-FE V6 Engines ONLY):

(Fitment Note: Strictly fits the 4.0L 1GR-FE Single VVT-i V6 engine. Does NOT fit General Motors Ecotec engines. Please verify your engine code before purchasing.)

Compatible Vehicles for Toyota (4.0L 1GR-FE):
2005-2012 Toyota Tacoma (4.0L)
2003-2009 Toyota 4Runner (4.0L)
2007-2009 Toyota FJ Cruiser (4.0L)
2005-2010 Toyota Tundra (4.0L)

Restore Off-Road Reliability: Master Timing Chain Overhaul Kit for Toyota 4.0L 1GR-FE V6

Are you experiencing a loud cold-start rattle, rough idling, or timing-related fault codes in your legendary Toyota 4.0L V6? As the workhorse 1GR-FE engines rack up high mileage from off-roading, towing, and daily driving, the factory timing chains stretch and the plastic guide rails degrade. Left unaddressed, this can lead to severe engine damage. Restore factory-level precision and bulletproof reliability to your truck or SUV with this Ultimate Master Timing Chain Overhaul Kit. Engineered strictly for the Toyota 1GR-FE (Single VVT-i) 4.0L V6 engines, this comprehensive 14-piece package provides every essential heavy-duty component required for a complete front-end engine rebuild.

Sourcing individual chains, tensioners, and sprockets can be frustrating and risks unmatched wear patterns. This premium overhaul package is designed to maximize your engine's lifespan by including a high-strength 178-link primary timing chain and two upper secondary chains. To guarantee a precisely synchronized and noise-free front end, the kit is completed with upgraded hydraulic tensioners (primary and secondary), precision-machined sprockets (camshaft, crankshaft, and idler), and a full set of heavy-duty guide rails.

Key Features & Included Components:

Complete Chain Set: Includes 1x high-strength 178-link primary timing chain and 2x secondary upper chains engineered to resist stretching.

Precision Sprockets: Comes with 2x camshaft sprockets, 1x crankshaft sprocket, and 1x idler sprocket for perfect timing synchronization.

Complete Hardware: Features 1x primary tensioner, 2x secondary tensioners, and 4x durable guide rails (tensioner, fixed, and upper rails) for a full front-end service.

(⚠️ CRITICAL FITMENT NOTE: This master timing kit is engineered STRICTLY for the Toyota 4.0L 1GR-FE Single VVT-i V6 engine. It DOES NOT fit the later generation Dual VVT-i 1GR-FE engines or any other platforms. Please carefully verify your exact engine code, vehicle year, and OE part numbers before purchasing to ensure proper fitment.)

Engineered to meet or exceed strict OEM specifications for long-lasting, noise-free performance under heavy loads. This comprehensive upgrade kit flawlessly fits a massive lineup of legendary Toyota off-road and towing platforms, including the 2005-2012 Toyota Tacoma, 2003-2009 4Runner, 2007-2009 FJ Cruiser, and the 2005-2010 Toyota Tundra. Rebuild your V6 the right way with BTSCAR's premium replacement components and hit the trails with absolute confidence.

Free standard U.S. shipping
Eligible orders ship free to physical street addresses in the contiguous 48 states and Washington, DC. Orders normally process within 1 business day; transit is estimated at 3–5 business days, for 4–6 business days total after ordering. Business days exclude weekends and U.S. public holidays. Delivery estimates are not guaranteed. Alaska, Hawaii, U.S. territories, international destinations, P.O. Boxes and APO/FPO addresses are not supported.

Fulfillment and tracking
Eligible orders are fulfilled through Amazon Multi-Channel Fulfillment (MCF). BTSCAR remains the seller and handles customer service. Tracking is emailed after dispatch.

30-day returns and exchanges
Request an eligible return within 30 days of delivery. Standard returns must be new, unused, uninstalled and complete with original packaging. BTSCAR supplies a free prepaid return label, including for eligible change-of-mind returns, and charges no restocking fee. Contact support@btscar-us.com for authorization before returning anything; use only our label and instructions.

Refunds
After an eligible return is received and inspected, the refund is issued to the original payment method within 7 days. Bank posting times may be longer.

Full policies: https://btscar-us.com/policies/shipping-policy and https://btscar-us.com/policies/refund-policy

12-month limited warranty
Eligible products purchased directly from btscar-us.com are covered for 12 months from delivery against verified defects in materials or workmanship under normal automotive use.

Installed products
Installation does not automatically void warranty coverage. Installed items are not eligible for standard returns, but covered defects may qualify for warranty service. Incorrect installation, inadequate lubrication, contamination, overheating, misuse, racing, modifications and normal wear are excluded. Labor, diagnosis, towing and consequential expenses are excluded to the extent permitted by law. Statutory consumer rights remain unaffected.

Claim support
Email support@btscar-us.com with your order number, product or SKU, vehicle details and a description with photos or video. We may request reasonable installation or diagnostic information. Approved claims may receive replacement parts, an equivalent replacement, or a refund if no suitable replacement is available. We provide a prepaid label when an approved warranty item must be returned. Wait for our instructions before shipping.

Customer service
Phone / WhatsApp: +86 158 1943 1912. Daily, 10:00 AM–10:00 PM (GMT+8). We aim to respond within 24 hours; this is a target, not a guarantee.

Full warranty: https://btscar-us.com/pages/warranty-policy