3" Offset / Center Muffler 13" Length,10" Width,4-1/4" H RB30 55'' Valve Spring Maximum Lift:

55'' Valve Spring Maximum Lift: 0

5 INCH INLET AND OUTLET PIPES

Assembled Proflow does not sacrifice quality for a low price--you get both with our aluminium cylinder heads

Part Number: AF139-06-08S

2) to GM Powerglide

3" Offset / Center Muffler 13" Length,10" Width,4-1/4" H RB30 55'' Valve Spring Maximum Lift:Part Number: AF5001 300 's 5000 series mufflers are the perfect choice for today's street driven high horsepower muscle cars where both flow for maximum Aeroflow performance and decibel reduction are critical. Manufactured from durable 16 gauge tig welded aluminised steel and coated in a high temp silver finish, 's 5000 series mufflers are a chambered design for a consistent sound that won't change over time. When used as part of an appropriate