Cowl Rubber (Thin, Gray); Allstate, Vespa 8Ó this expansion chamber system maximizes

this expansion chamber system maximizes exhaust scavenging to provide a significant boost in acceleration and top-end speed

Spring preload adjustment with ring nuts of top of spring

0164) and one dyke ring

Part 175370

Cowl Rubber (Thin, Gray); Allstate, Vespa 8Ó this expansion chamber system maximizesThinner Grey cowl rubber for all 1950s and early 1960s Largeframe model Vespa and Sears Allstate scooters. Also available in Black Sku: 23088 B . Fits Models: VNA Vespa 125 57 59 125 Large Frame 8 in. VNB Vespa 125 59 66 125 Large Frame 8 in. VBA Vespa 150 58 60 150 Large Frame 8 in. VBB Vespa 150 60 67 150 Large Frame 8 in. VS5 Vespa GS 150 58 61 150 Large Frame 10 in.