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Better Machining Techniques and Competitive Features with Advantages

For the best possible cylinder wall geometry, JASPER utilizes Torque Plate Boring and Honing with a torque plate and specially- designed ARP2000® head bolts.

JASPER upgrades 4.6/5.4/6.8 engines with nitrided valves, JASPER designed pistons and, on 3-valve VVT V8 engines, a high-volume oil pump with a higher pressure relief valve spring and updated backing plate to improve durability and operation.

JASPER Engines undergo Live-Run Testing using state-of-the-art Data Acquisition to check compression, vacuum and oil pressure to assure reliability.

• 100% torque plate boring and honing with a torque plate and ARP2000® head bolts provide cylinder wall geometry that matches the cylinder head as a complete running assembly, improving ring sealing.

• Cam clearances are maintained through the use of CNC and boring machine to reduce upper-end noise.

• Updated high -volume oil pump with higher pressure relief valve spring and rigid backing plate for improved oil pressure to the VVT on 3-valve V8 applications.

• Verification/Machining of 3-valve VVT solenoid housing for straightness.

• VVT solenoid housing screen undergoes a thorough ultrasonic and pass through wash process to ensure proper oil flow to the actuators (screen not available separately).

• Supplied with 100% NEW latest design camshaft actuator/VVT solenoids.

• Nitrided valve upgrade improves durability and reduces friction.

• MLS (Multi-Layered Steel) head gaskets, better RZ block and head finishes and 100% NEW head bolts ensure superior protection against gasket leakage.

• JASPER piston design provides stronger ring lands and a graphite coating to prevent dry start-up and piston scuffing.

• Moly rings reduce friction for increased durability through reduced cylinder wall wear.

• Spark plug threads are 100% inspected; damaged threads receive TIME-SERTS® to ensure protection against stress and vibration.

• Micro-polished crankshaft for improved, more precise oil tolerances and longer bearing life.

• Live-Run Testing, with Data Acquisition and other assessments for your assurance of reliability includes:

Compression, vacuum and oil pressure testing
Cam/Crank correlation ensures proper valve timing
VVT cam phaser testing on 3-valve applications

3 Year / 100,000 Mile Nationwide Transferable Warranty

Full warranty disclosure available at www.jasperengines.com or
upon request. Specifications subject to change without notice.

Product Videos

Ford Triton Engine VVT Housing Screen Cleaning

Ford Triton Torque Plate Boring & Honing

Ford Triton 3-Valve Oil Pump Update

Ford Triton Engines

4.6 / 5.4 / 6.8

Value-Added Quality Improvements from JASPER

Issue / Concern:

JASPER Solution:

Cylinder Blow-By

100% torque plate boring and honing of engine block utilizing a torque plate and specially-designed ARP2000® head bolts.
Decreased piston-to-bore tolerances for improved ring sealing.

Oil Pressure Problems, VVT Codes, and Upper-End Noise

Cam clearances are held to a tighter JASPER® standard through the use of CNC boring machines.
100% installation of a high volume oil pump, which includes a higher pressure relief valve spring and rigid backing plate for improved oil pressure on 3-valve VVT V8 engines.
Verification/machining of 3-valve VVT solenoid housings for straightness.
VVT solenoid housing screen undergoes a thorough ultrasonic and pass through wash process to verify proper oil flow to actuators (screen not available separately).
100% NEW installation of the latest design camshaft actuator VVT solenoids (excludes VVT Delete engine option).

Worn VVT Actuators

Installation of new or remanufactured cam gear actuators on 3-valve VVT engines.

Head Gasket Failure

MLS head gaskets
Block and head surfaced to 50-150 RZ
100% new head bolts
Piston compression height reduced to maintain O.E. compression ratios

Spark Plug Thread Concerns

100% inspection of all threads.
Damaged threads replaced with TIME-SERTS®, which allow for increased thread engagement.

Bearing Failure, Knocking, Holes in Block

JASPER oil tolerances are more precise than O.E.
Micro-polished crank

Early Models: Restrictive Oil Pipe

100% upgrade of early 4.6 DOHC oil pump and screen to high volume pump and large oil tube screen.

VVT Delete

JASPER offers VVT Delete as an option for the 5.4 engine.
The VVT Delete engine option will have pre-installed locks in the VVT actuators and also comes with a Livernois programmer.
The VVT Delete engine option is 50 state legal for 2004-2010 applications and includes a CARB E.O. sticker. 2011-2014 applications are CARB E.O. PENDING

Note for CNG/LP applications: We install hardened valve seats and Stellite face intake and exhaust valves.