QA1 - 63-72 C10 C-Notch 6in 444 in - Duration 250

444 in - Duration 250 / 260 - 110 LSA - 600 / 4600 RPM - Small Block Chevy - Kit

375 in Thick - Insulator - Hardware Included - Composite - Square Bore - Kit

Timing Gear Drive - Accu-Drive - Dual Idler - Steel - Small Block Ford - Kit

This system uses a Super 40 series muffler for a deep powerful sound and increased performance

This Force II® system is specifically designed for 1986-1990 Chevrolet Corvette's with the 5

QA1 - 63-72 C10 C-Notch 6in 444 in - Duration 250Rear Suspension Kit Double Adjustable Brace Bar Panhard Bar Shocks Springs Trailing Arms Hardware C Notch Kit Steel Black Powder Coat C10 GM Fullsize Truck 1963 72 Kit