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4.030 Tapered Ring Compressor

Article number
ARP900-0300
$57.39

The 4.030 Tapered Ring Compressor is a professional-grade engine building tool essential for serious mechanics and automotive enthusiasts engaged in piston and ring installation. This tool is particularly useful during complete engine rebuilds, performance piston installations, or cylinder head servicing, ensuring proper ring seating and preventing damage during assembly.

Designed specifically for bore diameters of 4.030 inches, this compressor accommodates a variety of modern and performance engines where accurate ring positioning is crucial. Its tapered design evenly distributes compressive force across the piston ring stack, minimizing the risk of ring breakage or bore damage that can result from improper installation techniques. The tapered geometry allows for smooth, controlled compression as rings seat progressively into the cylinder bore.

This tool is beneficial for rebuilders, performance shops, and DIY enthusiasts tackling projects ranging from stock restorations to forced-induction builds, where precision in ring compression is vital for engine performance and durability. Its manageable weight and compact dimensions make it suitable for use in tight engine bays, ensuring dependable performance across multiple engine builds.

SpecificationDetail
MPN / Part Number
900-0300
UPC
672036018535
SKU
ARP900-0300
Dimensions
5.75 x 2.2 x 9.65 in
Weight
0.53 lbs
Bore Size
4.030 inches
Design Type
Tapered Ring Compressor
Application
Engine Rebuild & Piston Installation
Compression Method
Progressive Tapered Seating
Use Case
Professional & Enthusiast Engine Building
More Information
Item Returns This item can be returned
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