Quick view ARC Racing (2) Pack of GX240/GX390/Predator 420 Heavy Duty 50# Valve Springs 2 Pack of Heavy Duty Valve Springs for Honda GX240, GX270, GX340, & GX390.Approx 50 lbs at 1.125 installed height, 42lbs at 1.2, with 110 lb open pressure (.375 lift). $12.99 Add to Cart
Quick view Valve Grinding Compound 120 and 220 Grit High temperature grease for lapping, grinding, sharpening and polishing metal surfacesContains sharp, graded and extremely hard grains of silicone carbide. Two .75 ounce tubes included Helps in... $12.79 Add to Cart
Quick view Feeler Gauge - .0015" to .015" Use for setting valve clearance.Has 9 leaves, 0.0015, 0.002, 0.003, 0.004, 0.006, 0.008, 0.010, 0.012, 0.015 Sets consist of 1/2" wide leaves nested in a steel frame. Each leaf is clearly marked with... $9.99 Add to Cart
Quick view ARC Racing GX390 Dual Valve Spring Set GX390 Dual Valve Spring SetGX390 Dual Valve Spring Set65lbs at 1.125" installed height. 60lbs at 1.2" installed height. $16.99 Add to Cart
SPECIAL ORDER: 10+ Quick view Pushrod Length Checker - Big Block Adjustable Push Rod tool for checking for proper pushrod length. Adjust from approx 1.2". Must be used with stock springs. perfect for determining proper pushrod length and valve geometry. DO NOT RUN... $29.99 Add to Cart
Quick view NR RACING Spacer, Valve Cover, Billet Aluminum, GX270 & GX390 Predator 301 420 non-Hemi "Billet Aluminum Valve Cover Spacer for GX270 and GX390 Allows roller rockers to clear valve cover baffle. Valve cover spacer nestles nicely under the stock valve cover, and comes with a... $39.26 Add to Cart
Quick view NR RACING Rocker Arms, Reinforced, GX240 to GX390, Pair, Predator 420 non-Hemi "1.1 Ratio Reinforced Rocker Arms - Pair 1.1 Ratio Reinforced Rocker Arms - Pair Welded and reinforced for use with HD springs Fits GX390s, 420 OHVs, and GX270s non-Hemi engines *Style may vary... $45.95 Add to Cart
SPECIAL ORDER: 10+ Quick view OMB 54# Valve Springs Pair GX240/270/390 Predator 420 Severe Duty Valve Springs - Pair Fits Honda GX 240, 270, 340, and 390, Predator 301/420 (Hemi and non-Hemi heads), and most 13-16 HP Clone engines Made of high-quality alloyApproximately 54lb at 1... $29.14 $27.99 Add to Cart
Quick view Rocker Arms, Roller Tip, Billet Steel; GX270, GX390, & 13/15 Chinese OHV; 1.2 Ratio, Pair NR Racing Roller Tip Rocker Arms for GX270, GX390, and 13/15 Chinese OHV - PairChoice of 1.2 or 1.3 Ratio Machined from chrome-moly steel Hardened roller tips and shafts Dyno-tested to 10,000rpm and... $109.00 Add to Cart
Sold out Quick view NR RACING Valve Cover, 420 Hemi Predator OEM 420 Hemi Predator Valve Cover*Note:ย Will not fit OHVs. Gaskets and bolt/washer not included. $22.65 Out of stock