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Part number: 4740-100
Product Details
Comp Cams 4740-100 Valve Spring Shims
Products specifications
Title 4740-100 Spring Shim, EB .015 X 1.640"
Diameter Outside (in.) 1.64

Single Outer; Valve Springs; 1.230 Outer With Damper; 16 pc.;

Specifications: * Outside diameter: 1.230 in. with damper * Inside diameter: .876 in. * Seat load: 91 lbs. at 1.700 in. * Open load: 229 lbs. at 1.250 in. * Coil bind: 1.150 in. * Rate: 308 lbs.

Recommended parts: * Steel retainer: CCA-742-16 or CCA-750-16 * Titanium retainer: CCA-728-16 * Shims: CCA-4753

Can your current valve springs handle the high spring pressures that are common in racing today Not as well as these Competition Cams pacaloy valve springs can. They e manufactured from a new high tech proprietary alloy thats able to maintain high pressure loads up to five times longer than other springs.

( .880 ID. )

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Have not received item yet but company is very responsive with fast shipment.  Excellent price too.
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Great shipping speed great site. Awesome!!! Thanks guys I love my new bumper.
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