Lisle, combustion leak detector tool - Crankpins Comes with the BDL ball

Comes with the BDL ball bearing lock-up clutch and a 72-47 drive ratio

Available in three colorways

BILTWELL ALUMICORE REPLACEMENT SLEEVES GREY

The opening to include the framework is 4

Lisle, combustion leak detector tool - Crankpins Comes with the BDL ballUsed to detect cracked blocks, warped heads and bad head gaskets with water cooled engines. Connect detector to any vacuum line and place tapered section of tool into radiator opening. With engine running radiator vapors will pull through detector fluid and change color, from blue to yellow, when exhaust gasses are present. Note: Additional dectection fluid available as 530854