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13 Degree Brodix / Dart Heads
When tuning an engine using wideband AFR feedback control on an inertia dyno
FastFAST is the leading developer of electronic fuel injection systems
and T1 products
The original Holley 0-4412 has powered thousands of racers to the winners' circle
QA1 Mustang II Coil-Over Spring - 2.5/3.5 x 8 600# 35500 13 Degree Brodix / DartQA1's Mustang II Pro Coil Kits feature polished and chrome plated springs. They have a 3. 5" upper I. D. and 2. 5" lower I. D., these springs have an 8" free length and are offered in four rates. Made with the highest quality materials, QA1'springs are strong, consistent and have a long life. All QA1'springs come with a lifetime guarantee to remain within 2% of their original free height and rate, so you know you're getting quality springs with QA1.
US$ 999.50
US$ 749.50
US$ 80.00
