Details
Introductions:
Type: Valve Springs Kit With Steel Retainers HD Locks
Spring Part number: ERV-880 ER-3974R EHC-555R RV-643-X -739R 212-118
Fitment: for Chevy SBC 327 350 400
Made of high-quality metal; heat treated; enhance durability and reliability
Direct Replacement the old or damaged Valve Springs
Outside Diameter: 1.260"
Inside Diameter: 0.785"
Closed: 114 lbs. @ 1.710"
Open: 318 lbs. @1.210"
Coil Bind @: 1.160"
Spring Type: Single with damper valve
Retainer specification:
Lock Angle: 7 degree
OEM Part Number:
ERV-880
ER-3974R
EHC-555R
RV-643-X
VS-739R
212-1183
160-1144HP
Fitment:
Chevy Sbc 327 350 400.
Package Included:
16*Spring
32*Locking Plate
16*Spring Base