- 24 Spline X 1 in
0:1 compression ratio on blocks with a 3/16 base relief (stock bore and stroke)
Specially engineered spiral baffles divide the exhaust flow into two separate paths
rear battery mount race cars
Trailing Arm Ends are for use with 3/4" thread suspension tubes
Classic Instruments Tach Force Gauge Kit - Tan / Chrome Panel - GM Fullsize Truck 1955-59 1530A11 - 24 Spline X 1The 1955 59 Chevy Truck Tach Force Package, features a dual layer design with 140 MPH Speedometer, 8,000 RPM Tachometer, Fuel (0 30 OHM), Oil, Temp, and Volt gauges with LED turn signals, high beam indicator, and built in ECM filter signal switch. The package includes, installation hardware, all necessary* sending units, and a single connection wiring harness constructed of automotive grade TXL wire, machine crimped terminals, tech flex sleeving, and