Vehicle Compatibility (For GM LS-Series Non-VVT V8 Engines):
(Fitment Note: Fits specific Non-VVT Gen III / Gen IV LS-based V8 engines. Highly recommended for LS1, LS2, LS3, LQ4, LM7, LR4 builds. Please verify your exact year, model, and engine displacement before purchasing.)
Compatible Vehicles for Chevrolet (LS V8):
2007-2009 Chevrolet Silverado 1500 / Tahoe / Suburban 1500 (4.8L / 5.3L)
2007-2009 Chevrolet Avalanche / Trailblazer (5.3L)
2008-2009 Chevrolet Express 2500 (4.8L / 6.0L)
2008-2009 Chevrolet Impala (5.3L) / 2009 Colorado (5.3L)
2010-2013 Chevrolet Camaro (6.2L) / 2007-2013 Corvette (6.2L)
Compatible Vehicles for GMC & Others (LS V8):
2007-2009 GMC Sierra 1500 / Yukon / Envoy (4.8L / 5.3L)
2007-2009 GMC Sierra 2500 HD / 3500 HD (6.0L)
2009 GMC Canyon (5.3L)
2009-2011 Cadillac CTS (6.2L)
2008-2009 Pontiac G8 (6.0L / 6.2L) / 2008 Grand Prix (5.3L)
2007-2009 Buick Rainier (5.3L) / 2008-2009 LaCrosse (5.3L)
2008-2009 Hummer H3 (5.3L) / 2009 Hummer H3T (5.3L) / 2007-2009 Saab 9-7x (5.3L)
Interchange/OE Part Numbers: M295HV, 12591689, TCS45993, 12557840.
Shipping & Package Specifications:
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Item Weight: 8.00 pounds
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Package Dimensions: 15.0 x 12.0 x 4.3 inches
What's Included in the Package List:
- 1x M295HV High Volume Oil Pump (w/ O-Rings)
- 1x Heavy-Duty Timing Chain
- 1x Camshaft Sprocket Gear
- 1x Crankshaft Sprocket Gear
- 1x Timing Chain Tensioner / Dampener
- 1x Front Timing Cover Gasket
- 1x Front Crankshaft Seal
- 1x Water Pump Gasket Set
- 1x Oil Pump Pickup Tube O-Ring Kit
- 1x Extended Installation Bolt
Upgrade Oil Pressure & Precision Timing: Ultimate High-Volume Oil Pump & Timing Kit for GM Gen III / IV LS V8 (Non-VVT)
Are you experiencing lifter tick, low oil pressure hot-idling, or timing chain slack in your GM LS-series engine? Maintaining rock-solid oil pressure is the single most critical factor for the survival of Gen III and Gen IV V8 powerplants, especially under heavy towing, high-RPM street performance, or demanding LS swap applications. Eliminate dangerous oil starvation and restore perfect valve timing synchronization with this Ultimate High-Volume Oil Pump & Timing Kit. This comprehensive heavy-duty upgrade package provides every essential component to completely overhaul and bulletproof your engine's front-end lubrication and timing assembly.
The crown jewel of this performance kit is the upgraded M295HV-spec High-Volume Oil Pump. Engineered to deliver an 18% increase in oil volume over standard factory pumps, it provides the critical extra oil flow needed to quiet noisy lifters, protect vital engine bearings, and support aftermarket oil coolers or active cylinder-deactivation deletes. Paired with a heavy-duty timing chain set, high-strength sprockets, and a complete front-end gasket reseal package, this master kit maximizes your labor value by solving both oil pressure and timing wear in a single, worry-free service.
Key Features & Included Components:
M295HV-Spec High-Volume Oil Pump: Delivers an 18% flow volume increase to ensure optimal lubrication pressure, eliminate valvetrain noise, and prevent oil starvation during aggressive driving or hauling.
Heavy-Duty Timing Chain Set: Includes 1x high-strength timing chain, 1x camshaft sprocket gear, 1x crankshaft sprocket gear, and 1x timing chain tensioner/dampener to restore OEM-level timing precision.
Complete Front-End Reseal Gaskets: Comes with a front timing cover gasket, a premium front crankshaft seal, and a water pump gasket set to ensure an absolute, leak-free reassembly.
Bonus Installation Accessories: Includes an extended installation bolt and a complete oil pump pickup tube O-ring kit to guarantee a safe, hassle-free installation.
(⚠️ CRITICAL FITMENT NOTE: This kit is engineered STRICTLY for GM Gen III and Gen IV LS-based V8 engines (4.8L, 5.3L, 5.7L, 6.0L, 6.2L) WITHOUT Variable Valve Timing (Non-VVT applications). It is highly recommended for performance LS1, LS2, LS3, LQ4, LM7, and LR4 builds. It DOES NOT fit VVT-equipped engines. Please carefully verify your engine's VVT configuration, model year, and OE part numbers before purchasing to ensure proper fitment.)
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