Darton Sleeves 4.120" Bore Cylinder Sleeve 5.545" Height 4.272" OD 0.076" Wall - Steel 23-FLX-W-XL This serious piece of hardware

This serious piece of hardware is built with the professional in mind and was developed using AutoMeter's race proven tachometer circuitry for monitoring engine RPM with unparalleled response and accuracy

The TA15 is certified compliant to the SFI 3

Knee and inner thigh stretch panels

This series includes a mudcover installation kit

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Darton Sleeves 4.120" Bore Cylinder Sleeve 5.545" Height 4.272" OD 0.076" Wall - Steel 23-FLX-W-XL This serious piece of hardwareProduct Description: Cylinder Sleeve 4. 120 in Bore 5. 545 in Height 4. 272 in OD 0. 076 in Wall Steel Bowtie Block Small Block Chevy Sold Individually Darton is a manufacture of engine block sleeves. Using specialized ductile iron, their sleeves fit a variety of engine makes and sizes.