BG

BG MOA & EPR Engine Oil Additive Kit — 2-piece restoration kit to restore compression & reduce blow-by

High-performance automotive accessories made for confident daily results

$46.62

3 shoppers currently have this item in cart.

Low stock: only 10 left in inventory. Add to cart before it's gone.

Shop Pay installment options may appear at checkout where eligible.

Free shipping Secure checkout 100% refund eligible
Bundle & save Buy 2 and save checkout time

Premium automotive accessories quality selected for Canada customers.

Routine pack Build your routine pack (3)

Fast dispatch with always-free shipping and secure checkout on every order.

Free shipping

i

Free shipping on every order. Fast dispatch, tracked delivery, and secure checkout included.

Easy returns

i

Simple return flow and responsive support for eligible items.

Peak-demand shipping delays

i

During high demand, deliveries may experience short carrier delays. Tracking updates remain active for every order.

24/7 customer support

Questions before checkout? Our team is available and ready to help.

Share

Why customers choose NorthTrail Auto

BG MOA & EPR is a two-piece engine care kit that strengthens motor oil and removes piston-ring and combustion deposits to restore compression, reduce blow-by, and protect against oil oxidation.

Modern driving—higher operating temperatures, frequent stop-and-go traffic, and longer service intervals—stresses engine oil and encourages hard-to-remove deposits. This BG kit pairs MOA, an oil fortifier designed to replenish and stabilize lubricant additive packages, with EPR, a concentrated engine cleaner formulated to soften and dissolve stubborn fuel gums and piston-ring deposits. Together they address both lubrication performance and internal cleanliness to help engines run closer to their original specification.

How does BG MOA prevent oil breakdown during intense driving?

BG MOA reinforces the oil’s additive chemistry so protective components don’t deplete prematurely from heat and heavy use. By reducing oxidation and thickening, it helps maintain fluid flow and film strength under high-temperature or stop-and-go conditions.

  • Restores critical anti-oxidants and detergent/dispersant balance
  • Helps resist oil thickening and sludge formation
  • Maintains consistent oil flow to screens, passages, and valve train

What does BG EPR do to improve compression and reduce oil dilution?

BG EPR is a potent cleaning agent that softens and emulsifies fuel gums and baked-on ring deposits in minutes, freeing stuck piston rings and reopening micro passageways. That cleaning action reduces blow-by-related oil contamination and helps restore lost compression and efficiency.

  • Softens and dissolves ring and combustion deposits in about 10 minutes
  • Clears micro passages to restore hydraulic components and compression
  • Formulated to be safe for seals and common engine materials

When should I use the MOA & EPR kit in my maintenance schedule?

Use this combination during an oil change interval when you suspect reduced performance, elevated oil consumption, or sluggish acceleration caused by deposits and degraded oil. EPR is applied to clean rings and passages before an oil change; MOA is added to the fresh oil to maintain additive strength going forward.

  • Run EPR treatment per label, then change oil and filter
  • Add MOA to the new oil to fortify its additive package
  • Ideal at signs of oil darkening, low compression, or fuel dilution

Are there safety or regulatory considerations I should know?

BG products are professional-grade formulations; follow the product label for correct dosing and handling. This kit carries California Proposition 65 warnings for certain chemicals—use gloves, avoid prolonged skin contact, and dispose of waste according to local regulations.

  • Observe label directions for treatment timing and quantities
  • Wear protective gloves and eyewear during application
  • Dispose of used oil and cleaning residues responsibly

Who is this for: The BG MOA & EPR kit is designed for technicians and vehicle owners looking to restore engine performance without disassembly—particularly useful for higher-mileage cars, vehicles subjected to frequent city driving, or any engine showing signs of oil degradation, reduced compression, or fuel-related deposits. It’s appropriate for gasoline engines where restoring ring mobility, reducing oil oxidation, and preserving oil film strength are priorities. Always consult your vehicle’s service recommendations and the product label for compatibility and correct application.

FAQ

Q: Can I use BG MOA with any motor oil?

A: Yes. BG MOA is compatible with conventional and synthetic oils; add to fresh oil at the recommended dose during an oil change.

Q: How quickly does BG EPR clean piston-ring deposits?

A: BG EPR begins softening and dissolving deposits in as little as ten minutes; follow label directions for complete treatment and oil change timing.