.625" Lift Springs Designed For RPM and Higher Load .625" Lift Springs Designed For RPM and Higher Load PAC Springs .625 Lift Beehive springs are a drop in design for all LS engines except LS7. 1.207 in. O.D., 340 lbs/in. Rate, 1.100 in. Coil Bind Height, This is for a Set of 16 PAC Racing Beehive Series valve springs combine the latest technologies available to produce the best performing springs on the market. By reducing the top coil of the springs, you allow for a reduced mass retainer. Additionally, beehive springs offer a multi-arc (ovate or egg-shaped) that allows for the stress distribution of the wire to be equally distributed on the opposing sides of the wire. Combine these features--and the result is a variable-frequency spring that performs at a higher level rpm than traditional springs. O.D. Large End (in) 1.207 I.D. Large End (in) 0.885 O.D. Small End (in) 1.072 I.D. Small End (in) 0.650 Installed Height (Valve Closed) (in) 145 @ 1.800 Open Valve (Valve Open) 358 @ 1.175 Spring Rate 340 Max Coil Bind (in) 1.100 Max Lift (in) 0.625 Suggested Titanium Retainers PAC-R510PAC-R511 Suggested Steel Retainers PAC-R310PAC-R311 Suggested Spring Seats PAC-S111 Spring Cups N/A

.625" Lift Springs Designed For RPM and Higher Load

Code: 1219X-01
$234.99
In Stock
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.625 Lift Beehive springs are a drop in design for all LS engines except LS7. 1.207 in. O.D., 340 lbs/in. Rate, 1.100 in. Coil Bind Height, This is for a Set of 16

PAC Racing Beehive Series valve springs combine the latest technologies available to produce the best performing springs on the market. By reducing the top coil of the springs, you allow for a reduced mass retainer. Additionally, beehive springs offer a multi-arc (ovate or egg-shaped) that allows for the stress distribution of the wire to be equally distributed on the opposing sides of the wire. Combine these features--and the result is a variable-frequency spring that performs at a higher level rpm than traditional springs.

O.D. Large End (in) 1.207
I.D. Large End (in) 0.885
O.D. Small End (in) 1.072
I.D. Small End (in) 0.650
Installed Height (Valve Closed) (in) 145 @ 1.800
Open Valve (Valve Open) 358 @ 1.175
Spring Rate 340
Max Coil Bind (in) 1.100
Max Lift (in) 0.625
Suggested Titanium Retainers PAC-R510
PAC-R511
Suggested Steel Retainers PAC-R310
PAC-R311
Suggested Spring Seats PAC-S111
Spring Cups N/A

.625 Lift Beehive springs are a drop in design for all LS engines except LS7. 1.207 in. O.D., 340 lbs/in. Rate, 1.100 in. Coil Bind Height, This is for a Set of 16

PAC Racing Beehive Series valve springs combine the latest technologies available to produce the best performing springs on the market. By reducing the top coil of the springs, you allow for a reduced mass retainer. Additionally, beehive springs offer a multi-arc (ovate or egg-shaped) that allows for the stress distribution of the wire to be equally distributed on the opposing sides of the wire. Combine these features--and the result is a variable-frequency spring that performs at a higher level rpm than traditional springs.

O.D. Large End (in) 1.207
I.D. Large End (in) 0.885
O.D. Small End (in) 1.072
I.D. Small End (in) 0.650
Installed Height (Valve Closed) (in) 145 @ 1.800
Open Valve (Valve Open) 358 @ 1.175
Spring Rate 340
Max Coil Bind (in) 1.100
Max Lift (in) 0.625
Suggested Titanium Retainers PAC-R510
PAC-R511
Suggested Steel Retainers PAC-R310
PAC-R311
Suggested Spring Seats PAC-S111
Spring Cups N/A