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The Atlas Diesel Modified Stock Reman HPOP will typically produce that of a fresh 17 degree stock HPOP or more which is usually enough volume to sustain upgraded injectors. This pump is recommend for all injectors up to a 205cc. The Atlas Diesel modified stock pump is a top of the line stock flow plus 17 degree HPOP.
Features:
- Direct Drop In
- Comes with a new mounting gasket
- Fitted with steel thread inserts
- OBS (94.5-97) and early '99 pumps are modified with a the 17 Degree pump internals
- New Viton O-rings to reuse your existing fittings
- Every pump is flow bench tested ready to install
When sending in core, you must remove the IPR valve and hose fittings. Replacement pump does not include IPR valve nor hose fittings.

The Atlas Diesel Modified Stock Reman HPOP will typically produce that of a fresh 17 degree stock HPOP or more which is usually enough volume to sustain upgraded injectors. This pump is recommend for all injectors up to a 205cc. The Atlas Diesel modified stock pump is a top of the line stock flow plus 17 degree HPOP.
Features:
- Direct Drop In
- Comes with a new mounting gasket
- Fitted with steel thread inserts
- OBS (94.5-97) and early '99 pumps are modified with a the 17 Degree pump internals
- New Viton O-rings to reuse your existing fittings
- Every pump is flow bench tested ready to install
When sending in core, you must remove the IPR valve and hose fittings. Replacement pump does not include IPR valve nor hose fittings.
Q
JD Garrison • 01/24/2025, 1:00:41 AM
Can Atlas stage 1 be upgraded to stage 2? Or would it require total replacement?
A
02/10/2025, 8:13:56 PM
You'll need a new pump.
Q
Paul • 04/10/2025, 10:59:53 PM
Will this support 180cc single shot injectors
A
04/23/2025, 7:11:08 PM
Yes.
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5/5 Stars out of 2 Reviews
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John Utter (Elkton md) | March 6th, 2025
Great service they will walk to through the steps to send In your core very nice fast delivery
Rickey Driskill (Mississippi) | June 3rd, 2024
Timely delivery. Sent my old in first to skip the core charge. Very helpful. Had my return label emailed quickly so I could get the core in mail.
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