SBC Ultra Pro Magnum XD R/A's - 1.5 7/16 - 1804-16 638 in - Duration 310
$320.98
Description
638 in - Duration 310 / 320 - 110 LSA - 4500 / 7500 RPM - Big Block Chevy - Each
Valve Spring - Dual Spring - 367 lb/in Spring Rate - 1
800 in Range - 0
Sway Bar - Adjustable - Rear - 0
2A/5 - Double Layer - Aramid / Nomex - Red - Medium - Each
SBC Ultra Pro Magnum XD R/A's - 1.5 7/16 - 1804-16 638 in - Duration 310Rocker Arm Ultra Pro Magnum XD 7 16 in Stud Mount 1. 50 Ratio Full Roller Chromoly Small Block Chevy Set of 16
Shipping Notes
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- Delivery to the USA:
- Standard Shipping : 3-10 business days
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