Honda B16-B18

B-series stage-2 795 usd

Casting camshaft m.

Intake:304'----@ .50 255' ----12 mm lift

Ex:298'----@ .050 250'---- 12.1 mm lift

Required:Pro series valve springs 

Recommended:Min.11.7 cr comp.ratio piston,pro ecu remap.

For turbo engine 500-800 Hp setup range.

Rpm range:1200-9300 rpm.

ONE YEAR WARRANTY

spprb1 springs kit.

Honda B16-B18 Race spec

B-Series stage-3 1095 usd

Aerospace material coated,%14 less friction.

Intake:312'----@ .50 263' ----12.65 mm lift

Ex:309'----@ .050 257'---- 12.70 mm lift

Required:Pro series valve springs 

Recommended:Min.12.4 cr comp.ratio piston,min 50 mm itb,pro ecu remap.

For turbo engine 1000Hp plus.

Max rpm:10.500 rpm

ONE YEAR WARRANTY

spprb2 springs kit.

Honda F20C-F22C

Stage-2 995 usd

Forged camshaft m.

Intake:314'----@ .50 240' ----13.1 mm lift

Ex:310'----@ .050 238'---- 12.48 mm lift

Required:Pro series valve springs 
Recommended:Min.12-cr comp.ratio piston,pro ecu remap.
For turbo engine 500-900 Hp range.
Max rpm:9800 rpm
​ONE YEAR WARRANTY
spprk01 springs kit.

Honda F20C-F22C Drag spec

Drag racing only 1540 usd

Aerospace material coated,%12 less friction.

Intake:328'----@ .50 270' ----14.65 mm lift

Ex:309'----@ .050 267'---- 13.70 mm lift

Required:Pro series valve springs.

Recommended:Min.13.2 comp.ratio piston,pro ecu remap.

For turbo engine 1000 Hp plus.

Max rpm:11.000 rpm

ONE YEAR WARRANTY

spprk02 springs kit

Honda K-series

Stage-2 1250 usd

Billet camshaft m.

Intake:316'----@ .50 256' ----13.4 mm lift

Ex:303'----@ .050 252'---- 13.20 mm lift

Required:Pro series valve springs.

Recommended:Min.11.7 comp.ratio piston,pro ecu remap.

For turbo engine 500-700 Hp setup range.

Max rpm:9400 rpm

spprk01 springs kit

Stage-3 1250usd 

Billet,Aerospace material coated,%12 less friction.

Intake:320'----@ .50 260' ----14.40 Lift

Ex:320'----@ .050 257'---- 13.30 mm lift

Required:Pro series valve springs.

Recommended:Min.12.5 comp.ratio piston,pro ecu remap.

For turbo engine 1000 Hp plus.

Max rpm:10.000rpm

spprk02 springs kit

Honda K-series

Stage-4 1550 usd 

Billet,aerospace material coated,%14 less friction.

Intake:329'----@ .050 261'----14.55 Lift

Ex:328'----@ .050 261'----13.40 Lift

Required:Pro series valve springs.

Recommended:2.4L and bigger N-A engine

Max rpm:10.500 rpm

spprk02 springs kit.

Drag race only 1550usd

Billet,aerospace material coated,%14 less friction.

Intake:330'----@ .050 258'----15.50 Lift

Ex:332'----@ .050 260'----14.50 Lift

Required:Pro series valve springs.

Recommended:2.6L and Bigger N-A engine

110 lbs ppr valve springs.

Honda K-series race specs